15790520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 22225480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 263, 316, 380, 395, 526, 632, 760, 790, 1052, 1315, 1501, 1580, 2104, 2630, 3002, 3160, 4997, 5260, 6004, 7505, 9994, 10520, 12008, 15010, 19988, 20777, 24985, 30020, 39976, 41554, 49970, 60040, 83108, 99940, 103885, 166216, 199880, 207770, 394763, 415540, 789526, 831080, 1579052, 1973815, 3158104, 3947630, 7895260, 15790520]

約数ペア:

[(1, 15790520), (2, 7895260), (4, 3947630), (5, 3158104), (8, 1973815), (10, 1579052), (19, 831080), (20, 789526), (38, 415540), (40, 394763), (76, 207770), (79, 199880), (95, 166216), (152, 103885), (158, 99940), (190, 83108), (263, 60040), (316, 49970), (380, 41554), (395, 39976), (526, 30020), (632, 24985), (760, 20777), (790, 19988), (1052, 15010), (1315, 12008), (1501, 10520), (1580, 9994), (2104, 7505), (2630, 6004), (3002, 5260), (3160, 4997)]