80715000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{5381}}^1$

素因数の和:5410

約数の個数: 80

約数和(自身を含む): 252200520

約数和(自身を除く): 171485520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 5381, 7500, 10762, 15000, 16143, 21524, 26905, 32286, 43048, 53810, 64572, 80715, 107620, 129144, 134525, 161430, 215240, 269050, 322860, 403575, 538100, 645720, 672625, 807150, 1076200, 1345250, 1614300, 2017875, 2690500, 3228600, 3363125, 4035750, 5381000, 6726250, 8071500, 10089375, 13452500, 16143000, 20178750, 26905000, 40357500, 80715000]

約数ペア:

[(1, 80715000), (2, 40357500), (3, 26905000), (4, 20178750), (5, 16143000), (6, 13452500), (8, 10089375), (10, 8071500), (12, 6726250), (15, 5381000), (20, 4035750), (24, 3363125), (25, 3228600), (30, 2690500), (40, 2017875), (50, 1614300), (60, 1345250), (75, 1076200), (100, 807150), (120, 672625), (125, 645720), (150, 538100), (200, 403575), (250, 322860), (300, 269050), (375, 215240), (500, 161430), (600, 134525), (625, 129144), (750, 107620), (1000, 80715), (1250, 64572), (1500, 53810), (1875, 43048), (2500, 32286), (3000, 26905), (3750, 21524), (5000, 16143), (5381, 15000), (7500, 10762)]