31298280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20063}}^1$

素因数の和:20090

約数の個数: 64

約数和(自身を含む): 101122560

約数和(自身を除く): 69824280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20063, 40126, 60189, 80252, 100315, 120378, 160504, 200630, 240756, 260819, 300945, 401260, 481512, 521638, 601890, 782457, 802520, 1043276, 1203780, 1304095, 1564914, 2086552, 2407560, 2608190, 3129828, 3912285, 5216380, 6259656, 7824570, 10432760, 15649140, 31298280]

約数ペア:

[(1, 31298280), (2, 15649140), (3, 10432760), (4, 7824570), (5, 6259656), (6, 5216380), (8, 3912285), (10, 3129828), (12, 2608190), (13, 2407560), (15, 2086552), (20, 1564914), (24, 1304095), (26, 1203780), (30, 1043276), (39, 802520), (40, 782457), (52, 601890), (60, 521638), (65, 481512), (78, 401260), (104, 300945), (120, 260819), (130, 240756), (156, 200630), (195, 160504), (260, 120378), (312, 100315), (390, 80252), (520, 60189), (780, 40126), (1560, 20063)]