320104920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37571}}^1$

素因数の和:37656

約数の個数: 64

約数和(自身を含む): 973866240

約数和(自身を除く): 653761320

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, 37571, 75142, 112713, 150284, 187855, 225426, 300568, 375710, 450852, 563565, 751420, 901704, 1127130, 1502840, 2254260, 2667541, 4508520, 5335082, 8002623, 10670164, 13337705, 16005246, 21340328, 26675410, 32010492, 40013115, 53350820, 64020984, 80026230, 106701640, 160052460, 320104920]

約数ペア:

[(1, 320104920), (2, 160052460), (3, 106701640), (4, 80026230), (5, 64020984), (6, 53350820), (8, 40013115), (10, 32010492), (12, 26675410), (15, 21340328), (20, 16005246), (24, 13337705), (30, 10670164), (40, 8002623), (60, 5335082), (71, 4508520), (120, 2667541), (142, 2254260), (213, 1502840), (284, 1127130), (355, 901704), (426, 751420), (568, 563565), (710, 450852), (852, 375710), (1065, 300568), (1420, 225426), (1704, 187855), (2130, 150284), (2840, 112713), (4260, 75142), (8520, 37571)]