990928640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:195

約数の個数: 288

約数和(自身を含む): 2818561536

約数和(自身を除く): 1827632896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 113, 124, 128, 130, 136, 155, 160, 170, 208, 221, 226, 248, 256, 260, 272, 310, 320, 340, 403, 416, 442, 452, 496, 520, 527, 544, 565, 620, 640, 680, 806, 832, 884, 904, 992, 1040, 1054, 1088, 1105, 1130, 1240, 1280, 1360, 1469, 1612, 1664, 1768, 1808, 1921, 1984, 2015, 2080, 2108, 2176, 2210, 2260, 2480, 2635, 2720, 2938, 3224, 3328, 3503, 3536, 3616, 3842, 3968, 4030, 4160, 4216, 4352, 4420, 4520, 4960, 5270, 5440, 5876, 6448, 6851, 7006, 7072, 7232, 7345, 7684, 7936, 8060, 8320, 8432, 8840, 9040, 9605, 9920, 10540, 10880, 11752, 12896, 13702, 14012, 14144, 14464, 14690, 15368, 16120, 16640, 16864, 17515, 17680, 18080, 19210, 19840, 21080, 21760, 23504, 24973, 25792, 27404, 28024, 28288, 28928, 29380, 30736, 32240, 33728, 34255, 35030, 35360, 36160, 38420, 39680, 42160, 45539, 47008, 49946, 51584, 54808, 56048, 56576, 58760, 59551, 61472, 64480, 67456, 68510, 70060, 70720, 72320, 76840, 84320, 91078, 94016, 99892, 103168, 109616, 112096, 117520, 119102, 122944, 124865, 128960, 134912, 137020, 140120, 141440, 144640, 153680, 168640, 182156, 188032, 199784, 219232, 224192, 227695, 235040, 238204, 245888, 249730, 257920, 274040, 280240, 282880, 297755, 307360, 337280, 364312, 376064, 399568, 438464, 448384, 455390, 470080, 476408, 491776, 499460, 515840, 548080, 560480, 595510, 614720, 674560, 728624, 774163, 799136, 876928, 896768, 910780, 940160, 952816, 998920, 1096160, 1120960, 1191020, 1229440, 1457248, 1548326, 1598272, 1753856, 1821560, 1880320, 1905632, 1997840, 2192320, 2241920, 2382040, 2458880, 2914496, 3096652, 3196544, 3643120, 3811264, 3870815, 3995680, 4384640, 4483840, 4764080, 5828992, 6193304, 6393088, 7286240, 7622528, 7741630, 7991360, 8769280, 9528160, 11657984, 12386608, 14572480, 15245056, 15483260, 15982720, 19056320, 24773216, 29144960, 30966520, 31965440, 38112640, 49546432, 58289920, 61933040, 76225280, 99092864, 123866080, 198185728, 247732160, 495464320, 990928640]

約数ペア:

[(1, 990928640), (2, 495464320), (4, 247732160), (5, 198185728), (8, 123866080), (10, 99092864), (13, 76225280), (16, 61933040), (17, 58289920), (20, 49546432), (26, 38112640), (31, 31965440), (32, 30966520), (34, 29144960), (40, 24773216), (52, 19056320), (62, 15982720), (64, 15483260), (65, 15245056), (68, 14572480), (80, 12386608), (85, 11657984), (104, 9528160), (113, 8769280), (124, 7991360), (128, 7741630), (130, 7622528), (136, 7286240), (155, 6393088), (160, 6193304), (170, 5828992), (208, 4764080), (221, 4483840), (226, 4384640), (248, 3995680), (256, 3870815), (260, 3811264), (272, 3643120), (310, 3196544), (320, 3096652), (340, 2914496), (403, 2458880), (416, 2382040), (442, 2241920), (452, 2192320), (496, 1997840), (520, 1905632), (527, 1880320), (544, 1821560), (565, 1753856), (620, 1598272), (640, 1548326), (680, 1457248), (806, 1229440), (832, 1191020), (884, 1120960), (904, 1096160), (992, 998920), (1040, 952816), (1054, 940160), (1088, 910780), (1105, 896768), (1130, 876928), (1240, 799136), (1280, 774163), (1360, 728624), (1469, 674560), (1612, 614720), (1664, 595510), (1768, 560480), (1808, 548080), (1921, 515840), (1984, 499460), (2015, 491776), (2080, 476408), (2108, 470080), (2176, 455390), (2210, 448384), (2260, 438464), (2480, 399568), (2635, 376064), (2720, 364312), (2938, 337280), (3224, 307360), (3328, 297755), (3503, 282880), (3536, 280240), (3616, 274040), (3842, 257920), (3968, 249730), (4030, 245888), (4160, 238204), (4216, 235040), (4352, 227695), (4420, 224192), (4520, 219232), (4960, 199784), (5270, 188032), (5440, 182156), (5876, 168640), (6448, 153680), (6851, 144640), (7006, 141440), (7072, 140120), (7232, 137020), (7345, 134912), (7684, 128960), (7936, 124865), (8060, 122944), (8320, 119102), (8432, 117520), (8840, 112096), (9040, 109616), (9605, 103168), (9920, 99892), (10540, 94016), (10880, 91078), (11752, 84320), (12896, 76840), (13702, 72320), (14012, 70720), (14144, 70060), (14464, 68510), (14690, 67456), (15368, 64480), (16120, 61472), (16640, 59551), (16864, 58760), (17515, 56576), (17680, 56048), (18080, 54808), (19210, 51584), (19840, 49946), (21080, 47008), (21760, 45539), (23504, 42160), (24973, 39680), (25792, 38420), (27404, 36160), (28024, 35360), (28288, 35030), (28928, 34255), (29380, 33728), (30736, 32240)]