56272440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2161}}^1$

素因数の和:2213

約数の個数: 128

約数和(自身を含む): 199249920

約数和(自身を除く): 142977480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2161, 2170, 2604, 3255, 3720, 4322, 4340, 5208, 6483, 6510, 8644, 8680, 10805, 12966, 13020, 15127, 17288, 21610, 25932, 26040, 30254, 32415, 43220, 45381, 51864, 60508, 64830, 66991, 75635, 86440, 90762, 121016, 129660, 133982, 151270, 181524, 200973, 226905, 259320, 267964, 302540, 334955, 363048, 401946, 453810, 468937, 535928, 605080, 669910, 803892, 907620, 937874, 1004865, 1339820, 1406811, 1607784, 1815240, 1875748, 2009730, 2344685, 2679640, 2813622, 3751496, 4019460, 4689370, 5627244, 7034055, 8038920, 9378740, 11254488, 14068110, 18757480, 28136220, 56272440]

約数ペア:

[(1, 56272440), (2, 28136220), (3, 18757480), (4, 14068110), (5, 11254488), (6, 9378740), (7, 8038920), (8, 7034055), (10, 5627244), (12, 4689370), (14, 4019460), (15, 3751496), (20, 2813622), (21, 2679640), (24, 2344685), (28, 2009730), (30, 1875748), (31, 1815240), (35, 1607784), (40, 1406811), (42, 1339820), (56, 1004865), (60, 937874), (62, 907620), (70, 803892), (84, 669910), (93, 605080), (105, 535928), (120, 468937), (124, 453810), (140, 401946), (155, 363048), (168, 334955), (186, 302540), (210, 267964), (217, 259320), (248, 226905), (280, 200973), (310, 181524), (372, 151270), (420, 133982), (434, 129660), (465, 121016), (620, 90762), (651, 86440), (744, 75635), (840, 66991), (868, 64830), (930, 60508), (1085, 51864), (1240, 45381), (1302, 43220), (1736, 32415), (1860, 30254), (2161, 26040), (2170, 25932), (2604, 21610), (3255, 17288), (3720, 15127), (4322, 13020), (4340, 12966), (5208, 10805), (6483, 8680), (6510, 8644)]