875621840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1283}}^1$

素因数の和:1764

約数の個数: 80

約数和(自身を含む): 2149416000

約数和(自身を除く): 1273794160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 449, 760, 898, 1283, 1520, 1796, 2245, 2566, 3592, 4490, 5132, 6415, 7184, 8531, 8980, 10264, 12830, 17062, 17960, 20528, 24377, 25660, 34124, 35920, 42655, 48754, 51320, 68248, 85310, 97508, 102640, 121885, 136496, 170620, 195016, 243770, 341240, 390032, 487540, 576067, 682480, 975080, 1152134, 1950160, 2304268, 2880335, 4608536, 5760670, 9217072, 10945273, 11521340, 21890546, 23042680, 43781092, 46085360, 54726365, 87562184, 109452730, 175124368, 218905460, 437810920, 875621840]

約数ペア:

[(1, 875621840), (2, 437810920), (4, 218905460), (5, 175124368), (8, 109452730), (10, 87562184), (16, 54726365), (19, 46085360), (20, 43781092), (38, 23042680), (40, 21890546), (76, 11521340), (80, 10945273), (95, 9217072), (152, 5760670), (190, 4608536), (304, 2880335), (380, 2304268), (449, 1950160), (760, 1152134), (898, 975080), (1283, 682480), (1520, 576067), (1796, 487540), (2245, 390032), (2566, 341240), (3592, 243770), (4490, 195016), (5132, 170620), (6415, 136496), (7184, 121885), (8531, 102640), (8980, 97508), (10264, 85310), (12830, 68248), (17062, 51320), (17960, 48754), (20528, 42655), (24377, 35920), (25660, 34124)]