51319320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 128

約数和(自身を含む): 168618240

約数和(自身を除く): 117298920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 312, 335, 390, 402, 491, 520, 536, 670, 780, 804, 871, 982, 1005, 1340, 1473, 1560, 1608, 1742, 1964, 2010, 2455, 2613, 2680, 2946, 3484, 3928, 4020, 4355, 4910, 5226, 5892, 6383, 6968, 7365, 8040, 8710, 9820, 10452, 11784, 12766, 13065, 14730, 17420, 19149, 19640, 20904, 25532, 26130, 29460, 31915, 32897, 34840, 38298, 51064, 52260, 58920, 63830, 65794, 76596, 95745, 98691, 104520, 127660, 131588, 153192, 164485, 191490, 197382, 255320, 263176, 328970, 382980, 394764, 427661, 493455, 657940, 765960, 789528, 855322, 986910, 1282983, 1315880, 1710644, 1973820, 2138305, 2565966, 3421288, 3947640, 4276610, 5131932, 6414915, 8553220, 10263864, 12829830, 17106440, 25659660, 51319320]

約数ペア:

[(1, 51319320), (2, 25659660), (3, 17106440), (4, 12829830), (5, 10263864), (6, 8553220), (8, 6414915), (10, 5131932), (12, 4276610), (13, 3947640), (15, 3421288), (20, 2565966), (24, 2138305), (26, 1973820), (30, 1710644), (39, 1315880), (40, 1282983), (52, 986910), (60, 855322), (65, 789528), (67, 765960), (78, 657940), (104, 493455), (120, 427661), (130, 394764), (134, 382980), (156, 328970), (195, 263176), (201, 255320), (260, 197382), (268, 191490), (312, 164485), (335, 153192), (390, 131588), (402, 127660), (491, 104520), (520, 98691), (536, 95745), (670, 76596), (780, 65794), (804, 63830), (871, 58920), (982, 52260), (1005, 51064), (1340, 38298), (1473, 34840), (1560, 32897), (1608, 31915), (1742, 29460), (1964, 26130), (2010, 25532), (2455, 20904), (2613, 19640), (2680, 19149), (2946, 17420), (3484, 14730), (3928, 13065), (4020, 12766), (4355, 11784), (4910, 10452), (5226, 9820), (5892, 8710), (6383, 8040), (6968, 7365)]