78690160

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 189871776

約数和(自身を除く): 111181616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 67, 80, 106, 134, 212, 265, 268, 277, 335, 424, 530, 536, 554, 670, 848, 1060, 1072, 1108, 1340, 1385, 2120, 2216, 2680, 2770, 3551, 4240, 4432, 5360, 5540, 7102, 11080, 14204, 14681, 17755, 18559, 22160, 28408, 29362, 35510, 37118, 56816, 58724, 71020, 73405, 74236, 92795, 117448, 142040, 146810, 148472, 185590, 234896, 284080, 293620, 296944, 371180, 587240, 742360, 983627, 1174480, 1484720, 1967254, 3934508, 4918135, 7869016, 9836270, 15738032, 19672540, 39345080, 78690160]

約数ペア:

[(1, 78690160), (2, 39345080), (4, 19672540), (5, 15738032), (8, 9836270), (10, 7869016), (16, 4918135), (20, 3934508), (40, 1967254), (53, 1484720), (67, 1174480), (80, 983627), (106, 742360), (134, 587240), (212, 371180), (265, 296944), (268, 293620), (277, 284080), (335, 234896), (424, 185590), (530, 148472), (536, 146810), (554, 142040), (670, 117448), (848, 92795), (1060, 74236), (1072, 73405), (1108, 71020), (1340, 58724), (1385, 56816), (2120, 37118), (2216, 35510), (2680, 29362), (2770, 28408), (3551, 22160), (4240, 18559), (4432, 17755), (5360, 14681), (5540, 14204), (7102, 11080)]