278555940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9157}}^1$

素因数の和:9198

約数の個数: 108

約数和(自身を含む): 915049044

約数和(自身を除く): 636493104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1170, 1521, 1690, 2028, 2340, 2535, 3042, 3380, 5070, 6084, 7605, 9157, 10140, 15210, 18314, 27471, 30420, 36628, 45785, 54942, 82413, 91570, 109884, 119041, 137355, 164826, 183140, 238082, 274710, 329652, 357123, 412065, 476164, 549420, 595205, 714246, 824130, 1071369, 1190410, 1428492, 1547533, 1648260, 1785615, 2142738, 2380820, 3095066, 3571230, 4285476, 4642599, 5356845, 6190132, 7142460, 7737665, 9285198, 10713690, 13927797, 15475330, 18570396, 21427380, 23212995, 27855594, 30950660, 46425990, 55711188, 69638985, 92851980, 139277970, 278555940]

約数ペア:

[(1, 278555940), (2, 139277970), (3, 92851980), (4, 69638985), (5, 55711188), (6, 46425990), (9, 30950660), (10, 27855594), (12, 23212995), (13, 21427380), (15, 18570396), (18, 15475330), (20, 13927797), (26, 10713690), (30, 9285198), (36, 7737665), (39, 7142460), (45, 6190132), (52, 5356845), (60, 4642599), (65, 4285476), (78, 3571230), (90, 3095066), (117, 2380820), (130, 2142738), (156, 1785615), (169, 1648260), (180, 1547533), (195, 1428492), (234, 1190410), (260, 1071369), (338, 824130), (390, 714246), (468, 595205), (507, 549420), (585, 476164), (676, 412065), (780, 357123), (845, 329652), (1014, 274710), (1170, 238082), (1521, 183140), (1690, 164826), (2028, 137355), (2340, 119041), (2535, 109884), (3042, 91570), (3380, 82413), (5070, 54942), (6084, 45785), (7605, 36628), (9157, 30420), (10140, 27471), (15210, 18314)]