15225240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 46344960

約数和(自身を除く): 31119720

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, 1787, 2130, 2840, 3574, 4260, 5361, 7148, 8520, 8935, 10722, 14296, 17870, 21444, 26805, 35740, 42888, 53610, 71480, 107220, 126877, 214440, 253754, 380631, 507508, 634385, 761262, 1015016, 1268770, 1522524, 1903155, 2537540, 3045048, 3806310, 5075080, 7612620, 15225240]

約数ペア:

[(1, 15225240), (2, 7612620), (3, 5075080), (4, 3806310), (5, 3045048), (6, 2537540), (8, 1903155), (10, 1522524), (12, 1268770), (15, 1015016), (20, 761262), (24, 634385), (30, 507508), (40, 380631), (60, 253754), (71, 214440), (120, 126877), (142, 107220), (213, 71480), (284, 53610), (355, 42888), (426, 35740), (568, 26805), (710, 21444), (852, 17870), (1065, 14296), (1420, 10722), (1704, 8935), (1787, 8520), (2130, 7148), (2840, 5361), (3574, 4260)]