131856240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23887}}^1$

素因数の和:23926

約数の個数: 80

約数和(自身を含む): 426544128

約数和(自身を除く): 294687888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 23887, 47774, 71661, 95548, 119435, 143322, 191096, 238870, 286644, 358305, 382192, 477740, 549401, 573288, 716610, 955480, 1098802, 1146576, 1433220, 1648203, 1910960, 2197604, 2747005, 2866440, 3296406, 4395208, 5494010, 5732880, 6592812, 8241015, 8790416, 10988020, 13185624, 16482030, 21976040, 26371248, 32964060, 43952080, 65928120, 131856240]

約数ペア:

[(1, 131856240), (2, 65928120), (3, 43952080), (4, 32964060), (5, 26371248), (6, 21976040), (8, 16482030), (10, 13185624), (12, 10988020), (15, 8790416), (16, 8241015), (20, 6592812), (23, 5732880), (24, 5494010), (30, 4395208), (40, 3296406), (46, 2866440), (48, 2747005), (60, 2197604), (69, 1910960), (80, 1648203), (92, 1433220), (115, 1146576), (120, 1098802), (138, 955480), (184, 716610), (230, 573288), (240, 549401), (276, 477740), (345, 382192), (368, 358305), (460, 286644), (552, 238870), (690, 191096), (920, 143322), (1104, 119435), (1380, 95548), (1840, 71661), (2760, 47774), (5520, 23887)]