208956120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56171}}^1$

素因数の和:56216

約数の個数: 64

約数和(自身を含む): 647101440

約数和(自身を除く): 438145320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 56171, 112342, 168513, 224684, 280855, 337026, 449368, 561710, 674052, 842565, 1123420, 1348104, 1685130, 1741301, 2246840, 3370260, 3482602, 5223903, 6740520, 6965204, 8706505, 10447806, 13930408, 17413010, 20895612, 26119515, 34826020, 41791224, 52239030, 69652040, 104478060, 208956120]

約数ペア:

[(1, 208956120), (2, 104478060), (3, 69652040), (4, 52239030), (5, 41791224), (6, 34826020), (8, 26119515), (10, 20895612), (12, 17413010), (15, 13930408), (20, 10447806), (24, 8706505), (30, 6965204), (31, 6740520), (40, 5223903), (60, 3482602), (62, 3370260), (93, 2246840), (120, 1741301), (124, 1685130), (155, 1348104), (186, 1123420), (248, 842565), (310, 674052), (372, 561710), (465, 449368), (620, 337026), (744, 280855), (930, 224684), (1240, 168513), (1860, 112342), (3720, 56171)]