281264880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90149}}^1$

素因数の和:90178

約数の個数: 80

約数和(自身を含む): 939002400

約数和(自身を除く): 657737520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 90149, 180298, 270447, 360596, 450745, 540894, 721192, 901490, 1081788, 1171937, 1352235, 1442384, 1802980, 2163576, 2343874, 2704470, 3515811, 3605960, 4327152, 4687748, 5408940, 5859685, 7031622, 7211920, 9375496, 10817880, 11719370, 14063244, 17579055, 18750992, 21635760, 23438740, 28126488, 35158110, 46877480, 56252976, 70316220, 93754960, 140632440, 281264880]

約数ペア:

[(1, 281264880), (2, 140632440), (3, 93754960), (4, 70316220), (5, 56252976), (6, 46877480), (8, 35158110), (10, 28126488), (12, 23438740), (13, 21635760), (15, 18750992), (16, 17579055), (20, 14063244), (24, 11719370), (26, 10817880), (30, 9375496), (39, 7211920), (40, 7031622), (48, 5859685), (52, 5408940), (60, 4687748), (65, 4327152), (78, 3605960), (80, 3515811), (104, 2704470), (120, 2343874), (130, 2163576), (156, 1802980), (195, 1442384), (208, 1352235), (240, 1171937), (260, 1081788), (312, 901490), (390, 721192), (520, 540894), (624, 450745), (780, 360596), (1040, 270447), (1560, 180298), (3120, 90149)]