15521480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1571}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 39614400

約数和(自身を除く): 24092920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1571, 1976, 2470, 3142, 4940, 6284, 7855, 9880, 12568, 15710, 20423, 29849, 31420, 40846, 59698, 62840, 81692, 102115, 119396, 149245, 163384, 204230, 238792, 298490, 388037, 408460, 596980, 776074, 816920, 1193960, 1552148, 1940185, 3104296, 3880370, 7760740, 15521480]

約数ペア:

[(1, 15521480), (2, 7760740), (4, 3880370), (5, 3104296), (8, 1940185), (10, 1552148), (13, 1193960), (19, 816920), (20, 776074), (26, 596980), (38, 408460), (40, 388037), (52, 298490), (65, 238792), (76, 204230), (95, 163384), (104, 149245), (130, 119396), (152, 102115), (190, 81692), (247, 62840), (260, 59698), (380, 40846), (494, 31420), (520, 29849), (760, 20423), (988, 15710), (1235, 12568), (1571, 9880), (1976, 7855), (2470, 6284), (3142, 4940)]