81515220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59069}}^1$

素因数の和:59104

約数の個数: 48

約数和(自身を含む): 238170240

約数和(自身を除く): 156655020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 59069, 118138, 177207, 236276, 295345, 354414, 590690, 708828, 886035, 1181380, 1358587, 1772070, 2717174, 3544140, 4075761, 5434348, 6792935, 8151522, 13585870, 16303044, 20378805, 27171740, 40757610, 81515220]

約数ペア:

[(1, 81515220), (2, 40757610), (3, 27171740), (4, 20378805), (5, 16303044), (6, 13585870), (10, 8151522), (12, 6792935), (15, 5434348), (20, 4075761), (23, 3544140), (30, 2717174), (46, 1772070), (60, 1358587), (69, 1181380), (92, 886035), (115, 708828), (138, 590690), (230, 354414), (276, 295345), (345, 236276), (460, 177207), (690, 118138), (1380, 59069)]