15807980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 34546176

約数和(自身を除く): 18738196

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 235, 251, 268, 335, 470, 502, 670, 940, 1004, 1255, 1340, 2510, 3149, 5020, 6298, 11797, 12596, 15745, 16817, 23594, 31490, 33634, 47188, 58985, 62980, 67268, 84085, 117970, 168170, 235940, 336340, 790399, 1580798, 3161596, 3951995, 7903990, 15807980]

約数ペア:

[(1, 15807980), (2, 7903990), (4, 3951995), (5, 3161596), (10, 1580798), (20, 790399), (47, 336340), (67, 235940), (94, 168170), (134, 117970), (188, 84085), (235, 67268), (251, 62980), (268, 58985), (335, 47188), (470, 33634), (502, 31490), (670, 23594), (940, 16817), (1004, 15745), (1255, 12596), (1340, 11797), (2510, 6298), (3149, 5020)]