31022320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1787}}^1$

素因数の和:1838

約数の個数: 80

約数和(自身を含む): 85137408

約数和(自身を除く): 54115088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 1787, 2170, 2480, 3472, 3574, 4340, 7148, 8680, 8935, 12509, 14296, 17360, 17870, 25018, 28592, 35740, 50036, 55397, 62545, 71480, 100072, 110794, 125090, 142960, 200144, 221588, 250180, 276985, 387779, 443176, 500360, 553970, 775558, 886352, 1000720, 1107940, 1551116, 1938895, 2215880, 3102232, 3877790, 4431760, 6204464, 7755580, 15511160, 31022320]

約数ペア:

[(1, 31022320), (2, 15511160), (4, 7755580), (5, 6204464), (7, 4431760), (8, 3877790), (10, 3102232), (14, 2215880), (16, 1938895), (20, 1551116), (28, 1107940), (31, 1000720), (35, 886352), (40, 775558), (56, 553970), (62, 500360), (70, 443176), (80, 387779), (112, 276985), (124, 250180), (140, 221588), (155, 200144), (217, 142960), (248, 125090), (280, 110794), (310, 100072), (434, 71480), (496, 62545), (560, 55397), (620, 50036), (868, 35740), (1085, 28592), (1240, 25018), (1736, 17870), (1787, 17360), (2170, 14296), (2480, 12509), (3472, 8935), (3574, 8680), (4340, 7148)]