1262640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5261}}^1$

素因数の和:5277

約数の個数: 40

約数和(自身を含む): 3914928

約数和(自身を除く): 2652288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5261, 10522, 15783, 21044, 26305, 31566, 42088, 52610, 63132, 78915, 84176, 105220, 126264, 157830, 210440, 252528, 315660, 420880, 631320, 1262640]

約数ペア:

[(1, 1262640), (2, 631320), (3, 420880), (4, 315660), (5, 252528), (6, 210440), (8, 157830), (10, 126264), (12, 105220), (15, 84176), (16, 78915), (20, 63132), (24, 52610), (30, 42088), (40, 31566), (48, 26305), (60, 21044), (80, 15783), (120, 10522), (240, 5261)]