81308460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 238775040

約数和(自身を除く): 157466580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 83, 87, 116, 145, 166, 174, 249, 290, 332, 348, 415, 435, 498, 563, 580, 830, 870, 996, 1126, 1245, 1660, 1689, 1740, 2252, 2407, 2490, 2815, 3378, 4814, 4980, 5630, 6756, 7221, 8445, 9628, 11260, 12035, 14442, 16327, 16890, 24070, 28884, 32654, 33780, 36105, 46729, 48140, 48981, 65308, 72210, 81635, 93458, 97962, 140187, 144420, 163270, 186916, 195924, 233645, 244905, 280374, 326540, 467290, 489810, 560748, 700935, 934580, 979620, 1355141, 1401870, 2710282, 2803740, 4065423, 5420564, 6775705, 8130846, 13551410, 16261692, 20327115, 27102820, 40654230, 81308460]

約数ペア:

[(1, 81308460), (2, 40654230), (3, 27102820), (4, 20327115), (5, 16261692), (6, 13551410), (10, 8130846), (12, 6775705), (15, 5420564), (20, 4065423), (29, 2803740), (30, 2710282), (58, 1401870), (60, 1355141), (83, 979620), (87, 934580), (116, 700935), (145, 560748), (166, 489810), (174, 467290), (249, 326540), (290, 280374), (332, 244905), (348, 233645), (415, 195924), (435, 186916), (498, 163270), (563, 144420), (580, 140187), (830, 97962), (870, 93458), (996, 81635), (1126, 72210), (1245, 65308), (1660, 48981), (1689, 48140), (1740, 46729), (2252, 36105), (2407, 33780), (2490, 32654), (2815, 28884), (3378, 24070), (4814, 16890), (4980, 16327), (5630, 14442), (6756, 12035), (7221, 11260), (8445, 9628)]