1915084920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{31231}}^1$

素因数の和:31325

約数の個数: 128

約数和(自身を含む): 6656163840

約数和(自身を除く): 4741078920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20440, 30660, 31231, 61320, 62462, 93693, 124924, 156155, 187386, 218617, 249848, 312310, 374772, 437234, 468465, 624620, 655851, 749544, 874468, 936930, 1093085, 1249240, 1311702, 1748936, 1873860, 2186170, 2279863, 2623404, 3279255, 3747720, 4372340, 4559726, 5246808, 6558510, 6839589, 8744680, 9119452, 11399315, 13117020, 13679178, 15959041, 18238904, 22798630, 26234040, 27358356, 31918082, 34197945, 45597260, 47877123, 54716712, 63836164, 68395890, 79795205, 91194520, 95754246, 127672328, 136791780, 159590410, 191508492, 239385615, 273583560, 319180820, 383016984, 478771230, 638361640, 957542460, 1915084920]

約数ペア:

[(1, 1915084920), (2, 957542460), (3, 638361640), (4, 478771230), (5, 383016984), (6, 319180820), (7, 273583560), (8, 239385615), (10, 191508492), (12, 159590410), (14, 136791780), (15, 127672328), (20, 95754246), (21, 91194520), (24, 79795205), (28, 68395890), (30, 63836164), (35, 54716712), (40, 47877123), (42, 45597260), (56, 34197945), (60, 31918082), (70, 27358356), (73, 26234040), (84, 22798630), (105, 18238904), (120, 15959041), (140, 13679178), (146, 13117020), (168, 11399315), (210, 9119452), (219, 8744680), (280, 6839589), (292, 6558510), (365, 5246808), (420, 4559726), (438, 4372340), (511, 3747720), (584, 3279255), (730, 2623404), (840, 2279863), (876, 2186170), (1022, 1873860), (1095, 1748936), (1460, 1311702), (1533, 1249240), (1752, 1093085), (2044, 936930), (2190, 874468), (2555, 749544), (2920, 655851), (3066, 624620), (4088, 468465), (4380, 437234), (5110, 374772), (6132, 312310), (7665, 249848), (8760, 218617), (10220, 187386), (12264, 156155), (15330, 124924), (20440, 93693), (30660, 62462), (31231, 61320)]