80481000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 254217600

約数和(自身を除く): 173736600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 139, 150, 193, 200, 250, 278, 300, 375, 386, 417, 500, 556, 579, 600, 695, 750, 772, 834, 965, 1000, 1112, 1158, 1390, 1500, 1544, 1668, 1930, 2085, 2316, 2780, 2895, 3000, 3336, 3475, 3860, 4170, 4632, 4825, 5560, 5790, 6950, 7720, 8340, 9650, 10425, 11580, 13900, 14475, 16680, 17375, 19300, 20850, 23160, 24125, 26827, 27800, 28950, 34750, 38600, 41700, 48250, 52125, 53654, 57900, 69500, 72375, 80481, 83400, 96500, 104250, 107308, 115800, 134135, 139000, 144750, 160962, 193000, 208500, 214616, 268270, 289500, 321924, 402405, 417000, 536540, 579000, 643848, 670675, 804810, 1073080, 1341350, 1609620, 2012025, 2682700, 3219240, 3353375, 4024050, 5365400, 6706750, 8048100, 10060125, 13413500, 16096200, 20120250, 26827000, 40240500, 80481000]

約数ペア:

[(1, 80481000), (2, 40240500), (3, 26827000), (4, 20120250), (5, 16096200), (6, 13413500), (8, 10060125), (10, 8048100), (12, 6706750), (15, 5365400), (20, 4024050), (24, 3353375), (25, 3219240), (30, 2682700), (40, 2012025), (50, 1609620), (60, 1341350), (75, 1073080), (100, 804810), (120, 670675), (125, 643848), (139, 579000), (150, 536540), (193, 417000), (200, 402405), (250, 321924), (278, 289500), (300, 268270), (375, 214616), (386, 208500), (417, 193000), (500, 160962), (556, 144750), (579, 139000), (600, 134135), (695, 115800), (750, 107308), (772, 104250), (834, 96500), (965, 83400), (1000, 80481), (1112, 72375), (1158, 69500), (1390, 57900), (1500, 53654), (1544, 52125), (1668, 48250), (1930, 41700), (2085, 38600), (2316, 34750), (2780, 28950), (2895, 27800), (3000, 26827), (3336, 24125), (3475, 23160), (3860, 20850), (4170, 19300), (4632, 17375), (4825, 16680), (5560, 14475), (5790, 13900), (6950, 11580), (7720, 10425), (8340, 9650)]