39981720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11489}}^1$

素因数の和:11532

約数の個数: 64

約数和(自身を含む): 124092000

約数和(自身を除く): 84110280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 11489, 22978, 34467, 45956, 57445, 68934, 91912, 114890, 137868, 172335, 229780, 275736, 333181, 344670, 459560, 666362, 689340, 999543, 1332724, 1378680, 1665905, 1999086, 2665448, 3331810, 3998172, 4997715, 6663620, 7996344, 9995430, 13327240, 19990860, 39981720]

約数ペア:

[(1, 39981720), (2, 19990860), (3, 13327240), (4, 9995430), (5, 7996344), (6, 6663620), (8, 4997715), (10, 3998172), (12, 3331810), (15, 2665448), (20, 1999086), (24, 1665905), (29, 1378680), (30, 1332724), (40, 999543), (58, 689340), (60, 666362), (87, 459560), (116, 344670), (120, 333181), (145, 275736), (174, 229780), (232, 172335), (290, 137868), (348, 114890), (435, 91912), (580, 68934), (696, 57445), (870, 45956), (1160, 34467), (1740, 22978), (3480, 11489)]