7420920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 24675840

約数和(自身を除く): 17254920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 71, 78, 104, 120, 130, 134, 142, 156, 195, 201, 213, 260, 268, 284, 312, 335, 355, 390, 402, 426, 520, 536, 568, 670, 710, 780, 804, 852, 871, 923, 1005, 1065, 1340, 1420, 1560, 1608, 1704, 1742, 1846, 2010, 2130, 2613, 2680, 2769, 2840, 3484, 3692, 4020, 4260, 4355, 4615, 4757, 5226, 5538, 6968, 7384, 8040, 8520, 8710, 9230, 9514, 10452, 11076, 13065, 13845, 14271, 17420, 18460, 19028, 20904, 22152, 23785, 26130, 27690, 28542, 34840, 36920, 38056, 47570, 52260, 55380, 57084, 61841, 71355, 95140, 104520, 110760, 114168, 123682, 142710, 185523, 190280, 247364, 285420, 309205, 371046, 494728, 570840, 618410, 742092, 927615, 1236820, 1484184, 1855230, 2473640, 3710460, 7420920]

約数ペア:

[(1, 7420920), (2, 3710460), (3, 2473640), (4, 1855230), (5, 1484184), (6, 1236820), (8, 927615), (10, 742092), (12, 618410), (13, 570840), (15, 494728), (20, 371046), (24, 309205), (26, 285420), (30, 247364), (39, 190280), (40, 185523), (52, 142710), (60, 123682), (65, 114168), (67, 110760), (71, 104520), (78, 95140), (104, 71355), (120, 61841), (130, 57084), (134, 55380), (142, 52260), (156, 47570), (195, 38056), (201, 36920), (213, 34840), (260, 28542), (268, 27690), (284, 26130), (312, 23785), (335, 22152), (355, 20904), (390, 19028), (402, 18460), (426, 17420), (520, 14271), (536, 13845), (568, 13065), (670, 11076), (710, 10452), (780, 9514), (804, 9230), (852, 8710), (871, 8520), (923, 8040), (1005, 7384), (1065, 6968), (1340, 5538), (1420, 5226), (1560, 4757), (1608, 4615), (1704, 4355), (1742, 4260), (1846, 4020), (2010, 3692), (2130, 3484), (2613, 2840), (2680, 2769)]