15208036840

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{571}}^1\times {\mathrm{2141}}^1$

素因数の和:3034

約数の個数: 64

約数和(自身を含む): 34404289920

約数和(自身を除く): 19196253080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 571, 622, 1142, 1244, 1555, 2141, 2284, 2488, 2855, 3110, 4282, 4568, 5710, 6220, 8564, 10705, 11420, 12440, 17128, 21410, 22840, 42820, 85640, 177581, 355162, 665851, 710324, 887905, 1222511, 1331702, 1420648, 1775810, 2445022, 2663404, 3329255, 3551620, 4890044, 5326808, 6112555, 6658510, 7103240, 9780088, 12225110, 13317020, 24450220, 26634040, 48900440, 380200921, 760401842, 1520803684, 1901004605, 3041607368, 3802009210, 7604018420, 15208036840]

約数ペア:

[(1, 15208036840), (2, 7604018420), (4, 3802009210), (5, 3041607368), (8, 1901004605), (10, 1520803684), (20, 760401842), (40, 380200921), (311, 48900440), (571, 26634040), (622, 24450220), (1142, 13317020), (1244, 12225110), (1555, 9780088), (2141, 7103240), (2284, 6658510), (2488, 6112555), (2855, 5326808), (3110, 4890044), (4282, 3551620), (4568, 3329255), (5710, 2663404), (6220, 2445022), (8564, 1775810), (10705, 1420648), (11420, 1331702), (12440, 1222511), (17128, 887905), (21410, 710324), (22840, 665851), (42820, 355162), (85640, 177581)]