90774160

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 218557440

約数和(自身を除く): 127783280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 79, 80, 106, 158, 212, 265, 271, 316, 395, 424, 530, 542, 632, 790, 848, 1060, 1084, 1264, 1355, 1580, 2120, 2168, 2710, 3160, 4187, 4240, 4336, 5420, 6320, 8374, 10840, 14363, 16748, 20935, 21409, 21680, 28726, 33496, 41870, 42818, 57452, 66992, 71815, 83740, 85636, 107045, 114904, 143630, 167480, 171272, 214090, 229808, 287260, 334960, 342544, 428180, 574520, 856360, 1134677, 1149040, 1712720, 2269354, 4538708, 5673385, 9077416, 11346770, 18154832, 22693540, 45387080, 90774160]

約数ペア:

[(1, 90774160), (2, 45387080), (4, 22693540), (5, 18154832), (8, 11346770), (10, 9077416), (16, 5673385), (20, 4538708), (40, 2269354), (53, 1712720), (79, 1149040), (80, 1134677), (106, 856360), (158, 574520), (212, 428180), (265, 342544), (271, 334960), (316, 287260), (395, 229808), (424, 214090), (530, 171272), (542, 167480), (632, 143630), (790, 114904), (848, 107045), (1060, 85636), (1084, 83740), (1264, 71815), (1355, 66992), (1580, 57452), (2120, 42818), (2168, 41870), (2710, 33496), (3160, 28726), (4187, 21680), (4240, 21409), (4336, 20935), (5420, 16748), (6320, 14363), (8374, 10840)]