21478069760

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:166

約数の個数: 480

約数和(自身を含む): 64977555456

約数和(自身を除く): 43499485696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 41, 46, 56, 62, 64, 70, 80, 82, 92, 112, 115, 124, 128, 140, 155, 160, 161, 164, 184, 205, 217, 224, 230, 248, 256, 280, 287, 310, 320, 322, 328, 368, 410, 434, 448, 460, 496, 512, 560, 574, 620, 640, 644, 656, 713, 736, 805, 820, 868, 896, 920, 943, 992, 1085, 1120, 1148, 1240, 1271, 1280, 1288, 1312, 1426, 1435, 1472, 1610, 1640, 1681, 1736, 1792, 1840, 1886, 1984, 2170, 2240, 2296, 2480, 2542, 2560, 2576, 2624, 2852, 2870, 2944, 3220, 3280, 3362, 3472, 3565, 3584, 3680, 3772, 3968, 4340, 4480, 4592, 4715, 4960, 4991, 5084, 5152, 5248, 5704, 5740, 5888, 6355, 6440, 6560, 6601, 6724, 6944, 7130, 7360, 7544, 7936, 8405, 8680, 8897, 8960, 9184, 9430, 9920, 9982, 10168, 10304, 10496, 11408, 11480, 11767, 11776, 12710, 12880, 13120, 13202, 13448, 13888, 14260, 14720, 15088, 15872, 16810, 17360, 17794, 17920, 18368, 18860, 19840, 19964, 20336, 20608, 20992, 22816, 22960, 23534, 24955, 25420, 25760, 26240, 26404, 26896, 27776, 28520, 29233, 29440, 30176, 33005, 33620, 34720, 35588, 36736, 37720, 38663, 39680, 39928, 40672, 41216, 44485, 45632, 45920, 47068, 49910, 50840, 51520, 52111, 52480, 52808, 53792, 55552, 57040, 58466, 58835, 58880, 60352, 66010, 67240, 69440, 71176, 73472, 75440, 77326, 79360, 79856, 81344, 82432, 88970, 91264, 91840, 94136, 99820, 101680, 103040, 104222, 104960, 105616, 107584, 111104, 114080, 116932, 117670, 120704, 132020, 134480, 138880, 142352, 146165, 146944, 150880, 154652, 159712, 162688, 177940, 182528, 183680, 188272, 193315, 199640, 203360, 204631, 206080, 208444, 211232, 215168, 228160, 233864, 235340, 241408, 260555, 264040, 268960, 270641, 277760, 284704, 292330, 301760, 309304, 319424, 325376, 355880, 364777, 365056, 367360, 376544, 386630, 399280, 406720, 409262, 412160, 416888, 422464, 430336, 456320, 467728, 470680, 482816, 521110, 528080, 537920, 541282, 555520, 569408, 584660, 603520, 618608, 638848, 650752, 711760, 729554, 734720, 753088, 773260, 798560, 813440, 818524, 833776, 844928, 860672, 912640, 935456, 941360, 1023155, 1042220, 1056160, 1075840, 1082564, 1138816, 1169320, 1198553, 1207040, 1237216, 1277696, 1353205, 1423520, 1459108, 1506176, 1546520, 1597120, 1626880, 1637048, 1667552, 1689856, 1823885, 1825280, 1870912, 1882720, 2046310, 2084440, 2112320, 2151680, 2165128, 2277632, 2338640, 2397106, 2414080, 2474432, 2555392, 2706410, 2847040, 2918216, 3012352, 3093040, 3194240, 3253760, 3274096, 3335104, 3379712, 3647770, 3741824, 3765440, 4092620, 4168880, 4224640, 4303360, 4330256, 4555264, 4677280, 4794212, 4948864, 5412820, 5694080, 5836432, 5992765, 6024704, 6186080, 6388480, 6548192, 6670208, 7295540, 7483648, 7530880, 8185240, 8337760, 8389871, 8449280, 8660512, 9354560, 9588424, 9897728, 10825640, 11388160, 11672864, 11985530, 12372160, 12776960, 13096384, 13340416, 14591080, 14967296, 15061760, 16370480, 16675520, 16779742, 16898560, 17321024, 18709120, 19176848, 19795456, 21651280, 22776320, 23345728, 23971060, 24744320, 26192768, 26680832, 29182160, 30123520, 32740960, 33351040, 33559484, 34642048, 37418240, 38353696, 41949355, 43302560, 46691456, 47942120, 49488640, 52385536, 58364320, 65481920, 66702080, 67118968, 69284096, 74836480, 76707392, 83898710, 86605120, 93382912, 95884240, 98977280, 104771072, 116728640, 130963840, 133404160, 134237936, 138568192, 153414784, 167797420, 173210240, 186765824, 191768480, 233457280, 261927680, 268475872, 306829568, 335594840, 346420480, 383536960, 466914560, 523855360, 536951744, 613659136, 671189680, 692840960, 767073920, 933829120, 1073903488, 1342379360, 1534147840, 2147806976, 2684758720, 3068295680, 4295613952, 5369517440, 10739034880, 21478069760]

約数ペア:

[(1, 21478069760), (2, 10739034880), (4, 5369517440), (5, 4295613952), (7, 3068295680), (8, 2684758720), (10, 2147806976), (14, 1534147840), (16, 1342379360), (20, 1073903488), (23, 933829120), (28, 767073920), (31, 692840960), (32, 671189680), (35, 613659136), (40, 536951744), (41, 523855360), (46, 466914560), (56, 383536960), (62, 346420480), (64, 335594840), (70, 306829568), (80, 268475872), (82, 261927680), (92, 233457280), (112, 191768480), (115, 186765824), (124, 173210240), (128, 167797420), (140, 153414784), (155, 138568192), (160, 134237936), (161, 133404160), (164, 130963840), (184, 116728640), (205, 104771072), (217, 98977280), (224, 95884240), (230, 93382912), (248, 86605120), (256, 83898710), (280, 76707392), (287, 74836480), (310, 69284096), (320, 67118968), (322, 66702080), (328, 65481920), (368, 58364320), (410, 52385536), (434, 49488640), (448, 47942120), (460, 46691456), (496, 43302560), (512, 41949355), (560, 38353696), (574, 37418240), (620, 34642048), (640, 33559484), (644, 33351040), (656, 32740960), (713, 30123520), (736, 29182160), (805, 26680832), (820, 26192768), (868, 24744320), (896, 23971060), (920, 23345728), (943, 22776320), (992, 21651280), (1085, 19795456), (1120, 19176848), (1148, 18709120), (1240, 17321024), (1271, 16898560), (1280, 16779742), (1288, 16675520), (1312, 16370480), (1426, 15061760), (1435, 14967296), (1472, 14591080), (1610, 13340416), (1640, 13096384), (1681, 12776960), (1736, 12372160), (1792, 11985530), (1840, 11672864), (1886, 11388160), (1984, 10825640), (2170, 9897728), (2240, 9588424), (2296, 9354560), (2480, 8660512), (2542, 8449280), (2560, 8389871), (2576, 8337760), (2624, 8185240), (2852, 7530880), (2870, 7483648), (2944, 7295540), (3220, 6670208), (3280, 6548192), (3362, 6388480), (3472, 6186080), (3565, 6024704), (3584, 5992765), (3680, 5836432), (3772, 5694080), (3968, 5412820), (4340, 4948864), (4480, 4794212), (4592, 4677280), (4715, 4555264), (4960, 4330256), (4991, 4303360), (5084, 4224640), (5152, 4168880), (5248, 4092620), (5704, 3765440), (5740, 3741824), (5888, 3647770), (6355, 3379712), (6440, 3335104), (6560, 3274096), (6601, 3253760), (6724, 3194240), (6944, 3093040), (7130, 3012352), (7360, 2918216), (7544, 2847040), (7936, 2706410), (8405, 2555392), (8680, 2474432), (8897, 2414080), (8960, 2397106), (9184, 2338640), (9430, 2277632), (9920, 2165128), (9982, 2151680), (10168, 2112320), (10304, 2084440), (10496, 2046310), (11408, 1882720), (11480, 1870912), (11767, 1825280), (11776, 1823885), (12710, 1689856), (12880, 1667552), (13120, 1637048), (13202, 1626880), (13448, 1597120), (13888, 1546520), (14260, 1506176), (14720, 1459108), (15088, 1423520), (15872, 1353205), (16810, 1277696), (17360, 1237216), (17794, 1207040), (17920, 1198553), (18368, 1169320), (18860, 1138816), (19840, 1082564), (19964, 1075840), (20336, 1056160), (20608, 1042220), (20992, 1023155), (22816, 941360), (22960, 935456), (23534, 912640), (24955, 860672), (25420, 844928), (25760, 833776), (26240, 818524), (26404, 813440), (26896, 798560), (27776, 773260), (28520, 753088), (29233, 734720), (29440, 729554), (30176, 711760), (33005, 650752), (33620, 638848), (34720, 618608), (35588, 603520), (36736, 584660), (37720, 569408), (38663, 555520), (39680, 541282), (39928, 537920), (40672, 528080), (41216, 521110), (44485, 482816), (45632, 470680), (45920, 467728), (47068, 456320), (49910, 430336), (50840, 422464), (51520, 416888), (52111, 412160), (52480, 409262), (52808, 406720), (53792, 399280), (55552, 386630), (57040, 376544), (58466, 367360), (58835, 365056), (58880, 364777), (60352, 355880), (66010, 325376), (67240, 319424), (69440, 309304), (71176, 301760), (73472, 292330), (75440, 284704), (77326, 277760), (79360, 270641), (79856, 268960), (81344, 264040), (82432, 260555), (88970, 241408), (91264, 235340), (91840, 233864), (94136, 228160), (99820, 215168), (101680, 211232), (103040, 208444), (104222, 206080), (104960, 204631), (105616, 203360), (107584, 199640), (111104, 193315), (114080, 188272), (116932, 183680), (117670, 182528), (120704, 177940), (132020, 162688), (134480, 159712), (138880, 154652), (142352, 150880), (146165, 146944)]