81998100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2990

約数の個数: 108

約数和(自身を含む): 265399680

約数和(自身を除く): 183401580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 775, 900, 930, 1116, 1395, 1550, 1860, 2325, 2790, 2939, 3100, 4650, 5580, 5878, 6975, 8817, 9300, 11756, 13950, 14695, 17634, 26451, 27900, 29390, 35268, 44085, 52902, 58780, 73475, 88170, 91109, 105804, 132255, 146950, 176340, 182218, 220425, 264510, 273327, 293900, 364436, 440850, 455545, 529020, 546654, 661275, 819981, 881700, 911090, 1093308, 1322550, 1366635, 1639962, 1822180, 2277725, 2645100, 2733270, 3279924, 4099905, 4555450, 5466540, 6833175, 8199810, 9110900, 13666350, 16399620, 20499525, 27332700, 40999050, 81998100]

約数ペア:

[(1, 81998100), (2, 40999050), (3, 27332700), (4, 20499525), (5, 16399620), (6, 13666350), (9, 9110900), (10, 8199810), (12, 6833175), (15, 5466540), (18, 4555450), (20, 4099905), (25, 3279924), (30, 2733270), (31, 2645100), (36, 2277725), (45, 1822180), (50, 1639962), (60, 1366635), (62, 1322550), (75, 1093308), (90, 911090), (93, 881700), (100, 819981), (124, 661275), (150, 546654), (155, 529020), (180, 455545), (186, 440850), (225, 364436), (279, 293900), (300, 273327), (310, 264510), (372, 220425), (450, 182218), (465, 176340), (558, 146950), (620, 132255), (775, 105804), (900, 91109), (930, 88170), (1116, 73475), (1395, 58780), (1550, 52902), (1860, 44085), (2325, 35268), (2790, 29390), (2939, 27900), (3100, 26451), (4650, 17634), (5580, 14695), (5878, 13950), (6975, 11756), (8817, 9300)]