64405680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2774

約数の個数: 80

約数和(自身を含む): 201710304

約数和(自身を除く): 137304624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 2657, 3030, 4040, 4848, 5314, 6060, 7971, 8080, 10628, 12120, 13285, 15942, 21256, 24240, 26570, 31884, 39855, 42512, 53140, 63768, 79710, 106280, 127536, 159420, 212560, 268357, 318840, 536714, 637680, 805071, 1073428, 1341785, 1610142, 2146856, 2683570, 3220284, 4025355, 4293712, 5367140, 6440568, 8050710, 10734280, 12881136, 16101420, 21468560, 32202840, 64405680]

約数ペア:

[(1, 64405680), (2, 32202840), (3, 21468560), (4, 16101420), (5, 12881136), (6, 10734280), (8, 8050710), (10, 6440568), (12, 5367140), (15, 4293712), (16, 4025355), (20, 3220284), (24, 2683570), (30, 2146856), (40, 1610142), (48, 1341785), (60, 1073428), (80, 805071), (101, 637680), (120, 536714), (202, 318840), (240, 268357), (303, 212560), (404, 159420), (505, 127536), (606, 106280), (808, 79710), (1010, 63768), (1212, 53140), (1515, 42512), (1616, 39855), (2020, 31884), (2424, 26570), (2657, 24240), (3030, 21256), (4040, 15942), (4848, 13285), (5314, 12120), (6060, 10628), (7971, 8080)]