2518620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3229}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 7596960

約数和(自身を除く): 5078340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3229, 6458, 9687, 12916, 16145, 19374, 32290, 38748, 41977, 48435, 64580, 83954, 96870, 125931, 167908, 193740, 209885, 251862, 419770, 503724, 629655, 839540, 1259310, 2518620]

約数ペア:

[(1, 2518620), (2, 1259310), (3, 839540), (4, 629655), (5, 503724), (6, 419770), (10, 251862), (12, 209885), (13, 193740), (15, 167908), (20, 125931), (26, 96870), (30, 83954), (39, 64580), (52, 48435), (60, 41977), (65, 38748), (78, 32290), (130, 19374), (156, 16145), (195, 12916), (260, 9687), (390, 6458), (780, 3229)]