678740157680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4241}}^1\times {\mathrm{153887}}^1$

素因数の和:158154

約数の個数: 80

約数和(自身を含む): 1699872701184

約数和(自身を除く): 1021132543504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4241, 8482, 16964, 21205, 33928, 42410, 55133, 67856, 84820, 110266, 153887, 169640, 220532, 275665, 307774, 339280, 441064, 551330, 615548, 769435, 882128, 1102660, 1231096, 1538870, 2000531, 2205320, 2462192, 3077740, 4001062, 4410640, 6155480, 8002124, 10002655, 12310960, 16004248, 20005310, 32008496, 40010620, 80021240, 160042480, 652634767, 1305269534, 2610539068, 3263173835, 5221078136, 6526347670, 8484251971, 10442156272, 13052695340, 16968503942, 26105390680, 33937007884, 42421259855, 52210781360, 67874015768, 84842519710, 135748031536, 169685039420, 339370078840, 678740157680]

約数ペア:

[(1, 678740157680), (2, 339370078840), (4, 169685039420), (5, 135748031536), (8, 84842519710), (10, 67874015768), (13, 52210781360), (16, 42421259855), (20, 33937007884), (26, 26105390680), (40, 16968503942), (52, 13052695340), (65, 10442156272), (80, 8484251971), (104, 6526347670), (130, 5221078136), (208, 3263173835), (260, 2610539068), (520, 1305269534), (1040, 652634767), (4241, 160042480), (8482, 80021240), (16964, 40010620), (21205, 32008496), (33928, 20005310), (42410, 16004248), (55133, 12310960), (67856, 10002655), (84820, 8002124), (110266, 6155480), (153887, 4410640), (169640, 4001062), (220532, 3077740), (275665, 2462192), (307774, 2205320), (339280, 2000531), (441064, 1538870), (551330, 1231096), (615548, 1102660), (769435, 882128)]