19721197440

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8635

約数の個数: 512

約数和(自身を含む): 84034944000

約数和(自身を除く): 64313746560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 252, 266, 270, 280, 285, 288, 304, 315, 320, 336, 342, 360, 378, 380, 384, 399, 420, 432, 448, 456, 480, 504, 513, 532, 540, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 756, 760, 798, 840, 855, 864, 896, 912, 945, 960, 1008, 1026, 1064, 1080, 1120, 1140, 1152, 1197, 1216, 1260, 1330, 1344, 1368, 1440, 1512, 1520, 1596, 1680, 1710, 1728, 1824, 1890, 1920, 1995, 2016, 2052, 2128, 2160, 2240, 2280, 2394, 2432, 2520, 2565, 2660, 2688, 2736, 2880, 3024, 3040, 3192, 3360, 3420, 3456, 3591, 3648, 3780, 3990, 4032, 4104, 4256, 4320, 4480, 4560, 4788, 5040, 5130, 5320, 5472, 5760, 5985, 6048, 6080, 6384, 6720, 6840, 7182, 7296, 7560, 7980, 8064, 8208, 8512, 8581, 8640, 9120, 9576, 10080, 10260, 10640, 10944, 11970, 12096, 12160, 12768, 13440, 13680, 14364, 15120, 15960, 16416, 17024, 17162, 17280, 17955, 18240, 19152, 20160, 20520, 21280, 21888, 23940, 24192, 25536, 25743, 27360, 28728, 30240, 31920, 32832, 34324, 35910, 36480, 38304, 40320, 41040, 42560, 42905, 47880, 51072, 51486, 54720, 57456, 60067, 60480, 63840, 65664, 68648, 71820, 76608, 77229, 82080, 85120, 85810, 95760, 102972, 109440, 114912, 120134, 120960, 127680, 128715, 137296, 143640, 153216, 154458, 163039, 164160, 171620, 180201, 191520, 205944, 229824, 231687, 240268, 255360, 257430, 274592, 287280, 300335, 308916, 326078, 328320, 343240, 360402, 383040, 386145, 411888, 459648, 463374, 480536, 489117, 514860, 540603, 549184, 574560, 600670, 617832, 652156, 686480, 720804, 766080, 772290, 815195, 823776, 901005, 926748, 961072, 978234, 1029720, 1081206, 1098368, 1141273, 1149120, 1158435, 1201340, 1235664, 1304312, 1372960, 1441608, 1467351, 1544580, 1621809, 1630390, 1647552, 1802010, 1853496, 1922144, 1956468, 2059440, 2162412, 2282546, 2298240, 2316870, 2402680, 2445585, 2471328, 2608624, 2703015, 2745920, 2883216, 2934702, 3089160, 3243618, 3260780, 3295104, 3423819, 3604020, 3706992, 3844288, 3912936, 4118880, 4324824, 4402053, 4565092, 4633740, 4805360, 4891170, 4942656, 5217248, 5406030, 5491840, 5706365, 5766432, 5869404, 6178320, 6487236, 6521560, 6847638, 7208040, 7336755, 7413984, 7688576, 7825872, 8109045, 8237760, 8649648, 8804106, 9130184, 9267480, 9610720, 9782340, 9885312, 10271457, 10434496, 10812060, 11412730, 11532864, 11738808, 12356640, 12974472, 13043120, 13695276, 14416080, 14673510, 14827968, 15651744, 16218090, 16475520, 17119095, 17299296, 17608212, 18260368, 18534960, 19221440, 19564680, 20542914, 20868992, 21624120, 22010265, 22825460, 23065728, 23477616, 24713280, 25948944, 26086240, 27390552, 28832160, 29347020, 29655936, 30814371, 31303488, 32436180, 34238190, 34598592, 35216424, 36520736, 37069920, 38442880, 39129360, 41085828, 43248240, 44020530, 45650920, 46955232, 49426560, 51357285, 51897888, 52172480, 54781104, 57664320, 58694040, 61628742, 62606976, 64872360, 68476380, 69197184, 70432848, 73041472, 74139840, 78258720, 82171656, 86496480, 88041060, 91301840, 93910464, 102714570, 103795776, 104344960, 109562208, 115328640, 117388080, 123257484, 129744720, 136952760, 140865696, 146082944, 148279680, 154071855, 156517440, 164343312, 172992960, 176082120, 182603680, 187820928, 205429140, 207591552, 219124416, 234776160, 246514968, 259489440, 273905520, 281731392, 308143710, 313034880, 328686624, 345985920, 352164240, 365207360, 410858280, 438248832, 469552320, 493029936, 518978880, 547811040, 563462784, 616287420, 657373248, 704328480, 730414720, 821716560, 939104640, 986059872, 1037957760, 1095622080, 1232574840, 1314746496, 1408656960, 1643433120, 1972119744, 2191244160, 2465149680, 2817313920, 3286866240, 3944239488, 4930299360, 6573732480, 9860598720, 19721197440]

約数ペア:

[(1, 19721197440), (2, 9860598720), (3, 6573732480), (4, 4930299360), (5, 3944239488), (6, 3286866240), (7, 2817313920), (8, 2465149680), (9, 2191244160), (10, 1972119744), (12, 1643433120), (14, 1408656960), (15, 1314746496), (16, 1232574840), (18, 1095622080), (19, 1037957760), (20, 986059872), (21, 939104640), (24, 821716560), (27, 730414720), (28, 704328480), (30, 657373248), (32, 616287420), (35, 563462784), (36, 547811040), (38, 518978880), (40, 493029936), (42, 469552320), (45, 438248832), (48, 410858280), (54, 365207360), (56, 352164240), (57, 345985920), (60, 328686624), (63, 313034880), (64, 308143710), (70, 281731392), (72, 273905520), (76, 259489440), (80, 246514968), (84, 234776160), (90, 219124416), (95, 207591552), (96, 205429140), (105, 187820928), (108, 182603680), (112, 176082120), (114, 172992960), (120, 164343312), (126, 156517440), (128, 154071855), (133, 148279680), (135, 146082944), (140, 140865696), (144, 136952760), (152, 129744720), (160, 123257484), (168, 117388080), (171, 115328640), (180, 109562208), (189, 104344960), (190, 103795776), (192, 102714570), (210, 93910464), (216, 91301840), (224, 88041060), (228, 86496480), (240, 82171656), (252, 78258720), (266, 74139840), (270, 73041472), (280, 70432848), (285, 69197184), (288, 68476380), (304, 64872360), (315, 62606976), (320, 61628742), (336, 58694040), (342, 57664320), (360, 54781104), (378, 52172480), (380, 51897888), (384, 51357285), (399, 49426560), (420, 46955232), (432, 45650920), (448, 44020530), (456, 43248240), (480, 41085828), (504, 39129360), (513, 38442880), (532, 37069920), (540, 36520736), (560, 35216424), (570, 34598592), (576, 34238190), (608, 32436180), (630, 31303488), (640, 30814371), (665, 29655936), (672, 29347020), (684, 28832160), (720, 27390552), (756, 26086240), (760, 25948944), (798, 24713280), (840, 23477616), (855, 23065728), (864, 22825460), (896, 22010265), (912, 21624120), (945, 20868992), (960, 20542914), (1008, 19564680), (1026, 19221440), (1064, 18534960), (1080, 18260368), (1120, 17608212), (1140, 17299296), (1152, 17119095), (1197, 16475520), (1216, 16218090), (1260, 15651744), (1330, 14827968), (1344, 14673510), (1368, 14416080), (1440, 13695276), (1512, 13043120), (1520, 12974472), (1596, 12356640), (1680, 11738808), (1710, 11532864), (1728, 11412730), (1824, 10812060), (1890, 10434496), (1920, 10271457), (1995, 9885312), (2016, 9782340), (2052, 9610720), (2128, 9267480), (2160, 9130184), (2240, 8804106), (2280, 8649648), (2394, 8237760), (2432, 8109045), (2520, 7825872), (2565, 7688576), (2660, 7413984), (2688, 7336755), (2736, 7208040), (2880, 6847638), (3024, 6521560), (3040, 6487236), (3192, 6178320), (3360, 5869404), (3420, 5766432), (3456, 5706365), (3591, 5491840), (3648, 5406030), (3780, 5217248), (3990, 4942656), (4032, 4891170), (4104, 4805360), (4256, 4633740), (4320, 4565092), (4480, 4402053), (4560, 4324824), (4788, 4118880), (5040, 3912936), (5130, 3844288), (5320, 3706992), (5472, 3604020), (5760, 3423819), (5985, 3295104), (6048, 3260780), (6080, 3243618), (6384, 3089160), (6720, 2934702), (6840, 2883216), (7182, 2745920), (7296, 2703015), (7560, 2608624), (7980, 2471328), (8064, 2445585), (8208, 2402680), (8512, 2316870), (8581, 2298240), (8640, 2282546), (9120, 2162412), (9576, 2059440), (10080, 1956468), (10260, 1922144), (10640, 1853496), (10944, 1802010), (11970, 1647552), (12096, 1630390), (12160, 1621809), (12768, 1544580), (13440, 1467351), (13680, 1441608), (14364, 1372960), (15120, 1304312), (15960, 1235664), (16416, 1201340), (17024, 1158435), (17162, 1149120), (17280, 1141273), (17955, 1098368), (18240, 1081206), (19152, 1029720), (20160, 978234), (20520, 961072), (21280, 926748), (21888, 901005), (23940, 823776), (24192, 815195), (25536, 772290), (25743, 766080), (27360, 720804), (28728, 686480), (30240, 652156), (31920, 617832), (32832, 600670), (34324, 574560), (35910, 549184), (36480, 540603), (38304, 514860), (40320, 489117), (41040, 480536), (42560, 463374), (42905, 459648), (47880, 411888), (51072, 386145), (51486, 383040), (54720, 360402), (57456, 343240), (60067, 328320), (60480, 326078), (63840, 308916), (65664, 300335), (68648, 287280), (71820, 274592), (76608, 257430), (77229, 255360), (82080, 240268), (85120, 231687), (85810, 229824), (95760, 205944), (102972, 191520), (109440, 180201), (114912, 171620), (120134, 164160), (120960, 163039), (127680, 154458), (128715, 153216), (137296, 143640)]