644163840

素因数分解:

$2^8\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 432

約数和(自身を含む): 2455252800

約数和(自身を除く): 1811088960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 109, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 218, 228, 240, 243, 256, 270, 285, 288, 304, 320, 324, 327, 342, 360, 380, 384, 405, 432, 436, 456, 480, 486, 513, 540, 545, 570, 576, 608, 640, 648, 654, 684, 720, 760, 768, 810, 855, 864, 872, 912, 960, 972, 981, 1026, 1080, 1090, 1140, 1152, 1215, 1216, 1280, 1296, 1308, 1368, 1440, 1520, 1539, 1620, 1635, 1710, 1728, 1744, 1824, 1920, 1944, 1962, 2052, 2071, 2160, 2180, 2280, 2304, 2430, 2432, 2565, 2592, 2616, 2736, 2880, 2943, 3040, 3078, 3240, 3270, 3420, 3456, 3488, 3648, 3840, 3888, 3924, 4104, 4142, 4320, 4360, 4560, 4617, 4860, 4864, 4905, 5130, 5184, 5232, 5472, 5760, 5886, 6080, 6156, 6213, 6480, 6540, 6840, 6912, 6976, 7296, 7695, 7776, 7848, 8208, 8284, 8640, 8720, 8829, 9120, 9234, 9720, 9810, 10260, 10355, 10368, 10464, 10944, 11520, 11772, 12160, 12312, 12426, 12960, 13080, 13680, 13952, 14592, 14715, 15390, 15552, 15696, 16416, 16568, 17280, 17440, 17658, 18240, 18468, 18639, 19440, 19620, 20520, 20710, 20736, 20928, 21888, 23085, 23544, 24320, 24624, 24852, 25920, 26160, 26487, 27360, 27904, 29430, 30780, 31065, 31104, 31392, 32832, 33136, 34560, 34880, 35316, 36480, 36936, 37278, 38880, 39240, 41040, 41420, 41856, 43776, 44145, 46170, 47088, 49248, 49704, 51840, 52320, 52974, 54720, 55917, 58860, 61560, 62130, 62208, 62784, 65664, 66272, 69760, 70632, 72960, 73872, 74556, 77760, 78480, 82080, 82840, 83712, 88290, 92340, 93195, 94176, 98496, 99408, 103680, 104640, 105948, 109440, 111834, 117720, 123120, 124260, 125568, 131328, 132435, 132544, 139520, 141264, 147744, 149112, 155520, 156960, 164160, 165680, 167751, 176580, 184680, 186390, 188352, 196992, 198816, 209280, 211896, 218880, 223668, 235440, 246240, 248520, 251136, 264870, 265088, 279585, 282528, 295488, 298224, 311040, 313920, 328320, 331360, 335502, 353160, 369360, 372780, 376704, 393984, 397632, 418560, 423792, 447336, 470880, 492480, 497040, 503253, 529740, 530176, 559170, 565056, 590976, 596448, 627840, 656640, 662720, 671004, 706320, 738720, 745560, 753408, 795264, 838755, 847584, 894672, 941760, 984960, 994080, 1006506, 1059480, 1118340, 1130112, 1181952, 1192896, 1255680, 1325440, 1342008, 1412640, 1477440, 1491120, 1590528, 1677510, 1695168, 1789344, 1883520, 1969920, 1988160, 2013012, 2118960, 2236680, 2260224, 2385792, 2516265, 2650880, 2684016, 2825280, 2954880, 2982240, 3355020, 3390336, 3578688, 3767040, 3976320, 4026024, 4237920, 4473360, 4771584, 5032530, 5368032, 5650560, 5909760, 5964480, 6710040, 6780672, 7157376, 7952640, 8052048, 8475840, 8946720, 10065060, 10736064, 11301120, 11928960, 13420080, 14314752, 16104096, 16951680, 17893440, 20130120, 21472128, 23857920, 26840160, 32208192, 33903360, 35786880, 40260240, 42944256, 53680320, 64416384, 71573760, 80520480, 107360640, 128832768, 161040960, 214721280, 322081920, 644163840]

約数ペア:

[(1, 644163840), (2, 322081920), (3, 214721280), (4, 161040960), (5, 128832768), (6, 107360640), (8, 80520480), (9, 71573760), (10, 64416384), (12, 53680320), (15, 42944256), (16, 40260240), (18, 35786880), (19, 33903360), (20, 32208192), (24, 26840160), (27, 23857920), (30, 21472128), (32, 20130120), (36, 17893440), (38, 16951680), (40, 16104096), (45, 14314752), (48, 13420080), (54, 11928960), (57, 11301120), (60, 10736064), (64, 10065060), (72, 8946720), (76, 8475840), (80, 8052048), (81, 7952640), (90, 7157376), (95, 6780672), (96, 6710040), (108, 5964480), (109, 5909760), (114, 5650560), (120, 5368032), (128, 5032530), (135, 4771584), (144, 4473360), (152, 4237920), (160, 4026024), (162, 3976320), (171, 3767040), (180, 3578688), (190, 3390336), (192, 3355020), (216, 2982240), (218, 2954880), (228, 2825280), (240, 2684016), (243, 2650880), (256, 2516265), (270, 2385792), (285, 2260224), (288, 2236680), (304, 2118960), (320, 2013012), (324, 1988160), (327, 1969920), (342, 1883520), (360, 1789344), (380, 1695168), (384, 1677510), (405, 1590528), (432, 1491120), (436, 1477440), (456, 1412640), (480, 1342008), (486, 1325440), (513, 1255680), (540, 1192896), (545, 1181952), (570, 1130112), (576, 1118340), (608, 1059480), (640, 1006506), (648, 994080), (654, 984960), (684, 941760), (720, 894672), (760, 847584), (768, 838755), (810, 795264), (855, 753408), (864, 745560), (872, 738720), (912, 706320), (960, 671004), (972, 662720), (981, 656640), (1026, 627840), (1080, 596448), (1090, 590976), (1140, 565056), (1152, 559170), (1215, 530176), (1216, 529740), (1280, 503253), (1296, 497040), (1308, 492480), (1368, 470880), (1440, 447336), (1520, 423792), (1539, 418560), (1620, 397632), (1635, 393984), (1710, 376704), (1728, 372780), (1744, 369360), (1824, 353160), (1920, 335502), (1944, 331360), (1962, 328320), (2052, 313920), (2071, 311040), (2160, 298224), (2180, 295488), (2280, 282528), (2304, 279585), (2430, 265088), (2432, 264870), (2565, 251136), (2592, 248520), (2616, 246240), (2736, 235440), (2880, 223668), (2943, 218880), (3040, 211896), (3078, 209280), (3240, 198816), (3270, 196992), (3420, 188352), (3456, 186390), (3488, 184680), (3648, 176580), (3840, 167751), (3888, 165680), (3924, 164160), (4104, 156960), (4142, 155520), (4320, 149112), (4360, 147744), (4560, 141264), (4617, 139520), (4860, 132544), (4864, 132435), (4905, 131328), (5130, 125568), (5184, 124260), (5232, 123120), (5472, 117720), (5760, 111834), (5886, 109440), (6080, 105948), (6156, 104640), (6213, 103680), (6480, 99408), (6540, 98496), (6840, 94176), (6912, 93195), (6976, 92340), (7296, 88290), (7695, 83712), (7776, 82840), (7848, 82080), (8208, 78480), (8284, 77760), (8640, 74556), (8720, 73872), (8829, 72960), (9120, 70632), (9234, 69760), (9720, 66272), (9810, 65664), (10260, 62784), (10355, 62208), (10368, 62130), (10464, 61560), (10944, 58860), (11520, 55917), (11772, 54720), (12160, 52974), (12312, 52320), (12426, 51840), (12960, 49704), (13080, 49248), (13680, 47088), (13952, 46170), (14592, 44145), (14715, 43776), (15390, 41856), (15552, 41420), (15696, 41040), (16416, 39240), (16568, 38880), (17280, 37278), (17440, 36936), (17658, 36480), (18240, 35316), (18468, 34880), (18639, 34560), (19440, 33136), (19620, 32832), (20520, 31392), (20710, 31104), (20736, 31065), (20928, 30780), (21888, 29430), (23085, 27904), (23544, 27360), (24320, 26487), (24624, 26160), (24852, 25920)]