31447320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3691}}^1$

素因数の和:3776

約数の個数: 64

約数和(自身を含む): 95696640

約数和(自身を除く): 64249320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3691, 4260, 7382, 8520, 11073, 14764, 18455, 22146, 29528, 36910, 44292, 55365, 73820, 88584, 110730, 147640, 221460, 262061, 442920, 524122, 786183, 1048244, 1310305, 1572366, 2096488, 2620610, 3144732, 3930915, 5241220, 6289464, 7861830, 10482440, 15723660, 31447320]

約数ペア:

[(1, 31447320), (2, 15723660), (3, 10482440), (4, 7861830), (5, 6289464), (6, 5241220), (8, 3930915), (10, 3144732), (12, 2620610), (15, 2096488), (20, 1572366), (24, 1310305), (30, 1048244), (40, 786183), (60, 524122), (71, 442920), (120, 262061), (142, 221460), (213, 147640), (284, 110730), (355, 88584), (426, 73820), (568, 55365), (710, 44292), (852, 36910), (1065, 29528), (1420, 22146), (1704, 18455), (2130, 14764), (2840, 11073), (3691, 8520), (4260, 7382)]