312802620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401029}}^1$

素因数の和:401054

約数の個数: 48

約数和(自身を含む): 943222560

約数和(自身を除く): 630419940

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, 401029, 802058, 1203087, 1604116, 2005145, 2406174, 4010290, 4812348, 5213377, 6015435, 8020580, 10426754, 12030870, 15640131, 20853508, 24061740, 26066885, 31280262, 52133770, 62560524, 78200655, 104267540, 156401310, 312802620]

約数ペア:

[(1, 312802620), (2, 156401310), (3, 104267540), (4, 78200655), (5, 62560524), (6, 52133770), (10, 31280262), (12, 26066885), (13, 24061740), (15, 20853508), (20, 15640131), (26, 12030870), (30, 10426754), (39, 8020580), (52, 6015435), (60, 5213377), (65, 4812348), (78, 4010290), (130, 2406174), (156, 2005145), (195, 1604116), (260, 1203087), (390, 802058), (780, 401029)]