389941320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{2657}}^1$

素因数の和:3894

約数の個数: 64

約数和(自身を含む): 1171221120

約数和(自身を除く): 781279800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1223, 2446, 2657, 3669, 4892, 5314, 6115, 7338, 7971, 9784, 10628, 12230, 13285, 14676, 15942, 18345, 21256, 24460, 26570, 29352, 31884, 36690, 39855, 48920, 53140, 63768, 73380, 79710, 106280, 146760, 159420, 318840, 3249511, 6499022, 9748533, 12998044, 16247555, 19497066, 25996088, 32495110, 38994132, 48742665, 64990220, 77988264, 97485330, 129980440, 194970660, 389941320]

約数ペア:

[(1, 389941320), (2, 194970660), (3, 129980440), (4, 97485330), (5, 77988264), (6, 64990220), (8, 48742665), (10, 38994132), (12, 32495110), (15, 25996088), (20, 19497066), (24, 16247555), (30, 12998044), (40, 9748533), (60, 6499022), (120, 3249511), (1223, 318840), (2446, 159420), (2657, 146760), (3669, 106280), (4892, 79710), (5314, 73380), (6115, 63768), (7338, 53140), (7971, 48920), (9784, 39855), (10628, 36690), (12230, 31884), (13285, 29352), (14676, 26570), (15942, 24460), (18345, 21256)]