2691478280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{2683}}^1$

素因数の和:3534

約数の個数: 64

約数和(自身を含む): 6261235200

約数和(自身を除く): 3569756920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 809, 1240, 1618, 2683, 3236, 4045, 5366, 6472, 8090, 10732, 13415, 16180, 21464, 25079, 26830, 32360, 50158, 53660, 83173, 100316, 107320, 125395, 166346, 200632, 250790, 332692, 415865, 501580, 665384, 831730, 1003160, 1663460, 2170547, 3326920, 4341094, 8682188, 10852735, 17364376, 21705470, 43410940, 67286957, 86821880, 134573914, 269147828, 336434785, 538295656, 672869570, 1345739140, 2691478280]

約数ペア:

[(1, 2691478280), (2, 1345739140), (4, 672869570), (5, 538295656), (8, 336434785), (10, 269147828), (20, 134573914), (31, 86821880), (40, 67286957), (62, 43410940), (124, 21705470), (155, 17364376), (248, 10852735), (310, 8682188), (620, 4341094), (809, 3326920), (1240, 2170547), (1618, 1663460), (2683, 1003160), (3236, 831730), (4045, 665384), (5366, 501580), (6472, 415865), (8090, 332692), (10732, 250790), (13415, 200632), (16180, 166346), (21464, 125395), (25079, 107320), (26830, 100316), (32360, 83173), (50158, 53660)]