199989960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23473}}^1$

素因数の和:23558

約数の個数: 64

約数和(自身を含む): 608446080

約数和(自身を除く): 408456120

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, 4260, 8520, 23473, 46946, 70419, 93892, 117365, 140838, 187784, 234730, 281676, 352095, 469460, 563352, 704190, 938920, 1408380, 1666583, 2816760, 3333166, 4999749, 6666332, 8332915, 9999498, 13332664, 16665830, 19998996, 24998745, 33331660, 39997992, 49997490, 66663320, 99994980, 199989960]

約数ペア:

[(1, 199989960), (2, 99994980), (3, 66663320), (4, 49997490), (5, 39997992), (6, 33331660), (8, 24998745), (10, 19998996), (12, 16665830), (15, 13332664), (20, 9999498), (24, 8332915), (30, 6666332), (40, 4999749), (60, 3333166), (71, 2816760), (120, 1666583), (142, 1408380), (213, 938920), (284, 704190), (355, 563352), (426, 469460), (568, 352095), (710, 281676), (852, 234730), (1065, 187784), (1420, 140838), (1704, 117365), (2130, 93892), (2840, 70419), (4260, 46946), (8520, 23473)]