1290280290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{20297}}^1$

素因数の和:20483

約数の個数: 64

約数和(自身を含む): 3355502976

約数和(自身を除く): 2065222686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 195, 326, 390, 489, 815, 978, 1630, 2119, 2445, 4238, 4890, 6357, 10595, 12714, 20297, 21190, 31785, 40594, 60891, 63570, 101485, 121782, 202970, 263861, 304455, 527722, 608910, 791583, 1319305, 1583166, 2638610, 3308411, 3957915, 6616822, 7915830, 9925233, 16542055, 19850466, 33084110, 43009343, 49626165, 86018686, 99252330, 129028029, 215046715, 258056058, 430093430, 645140145, 1290280290]

約数ペア:

[(1, 1290280290), (2, 645140145), (3, 430093430), (5, 258056058), (6, 215046715), (10, 129028029), (13, 99252330), (15, 86018686), (26, 49626165), (30, 43009343), (39, 33084110), (65, 19850466), (78, 16542055), (130, 9925233), (163, 7915830), (195, 6616822), (326, 3957915), (390, 3308411), (489, 2638610), (815, 1583166), (978, 1319305), (1630, 791583), (2119, 608910), (2445, 527722), (4238, 304455), (4890, 263861), (6357, 202970), (10595, 121782), (12714, 101485), (20297, 63570), (21190, 60891), (31785, 40594)]