131325720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 418176000

約数和(自身を除く): 286850280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 239, 241, 285, 380, 456, 478, 482, 570, 717, 723, 760, 956, 964, 1140, 1195, 1205, 1434, 1446, 1912, 1928, 2280, 2390, 2410, 2868, 2892, 3585, 3615, 4541, 4579, 4780, 4820, 5736, 5784, 7170, 7230, 9082, 9158, 9560, 9640, 13623, 13737, 14340, 14460, 18164, 18316, 22705, 22895, 27246, 27474, 28680, 28920, 36328, 36632, 45410, 45790, 54492, 54948, 57599, 68115, 68685, 90820, 91580, 108984, 109896, 115198, 136230, 137370, 172797, 181640, 183160, 230396, 272460, 274740, 287995, 345594, 460792, 544920, 549480, 575990, 691188, 863985, 1094381, 1151980, 1382376, 1727970, 2188762, 2303960, 3283143, 3455940, 4377524, 5471905, 6566286, 6911880, 8755048, 10943810, 13132572, 16415715, 21887620, 26265144, 32831430, 43775240, 65662860, 131325720]

約数ペア:

[(1, 131325720), (2, 65662860), (3, 43775240), (4, 32831430), (5, 26265144), (6, 21887620), (8, 16415715), (10, 13132572), (12, 10943810), (15, 8755048), (19, 6911880), (20, 6566286), (24, 5471905), (30, 4377524), (38, 3455940), (40, 3283143), (57, 2303960), (60, 2188762), (76, 1727970), (95, 1382376), (114, 1151980), (120, 1094381), (152, 863985), (190, 691188), (228, 575990), (239, 549480), (241, 544920), (285, 460792), (380, 345594), (456, 287995), (478, 274740), (482, 272460), (570, 230396), (717, 183160), (723, 181640), (760, 172797), (956, 137370), (964, 136230), (1140, 115198), (1195, 109896), (1205, 108984), (1434, 91580), (1446, 90820), (1912, 68685), (1928, 68115), (2280, 57599), (2390, 54948), (2410, 54492), (2868, 45790), (2892, 45410), (3585, 36632), (3615, 36328), (4541, 28920), (4579, 28680), (4780, 27474), (4820, 27246), (5736, 22895), (5784, 22705), (7170, 18316), (7230, 18164), (9082, 14460), (9158, 14340), (9560, 13737), (9640, 13623)]