64151920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1298

約数の個数: 80

約数和(自身を含む): 172363968

約数和(自身を除く): 108212048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 388, 485, 560, 679, 776, 970, 1181, 1358, 1552, 1940, 2362, 2716, 3395, 3880, 4724, 5432, 5905, 6790, 7760, 8267, 9448, 10864, 11810, 13580, 16534, 18896, 23620, 27160, 33068, 41335, 47240, 54320, 66136, 82670, 94480, 114557, 132272, 165340, 229114, 330680, 458228, 572785, 661360, 801899, 916456, 1145570, 1603798, 1832912, 2291140, 3207596, 4009495, 4582280, 6415192, 8018990, 9164560, 12830384, 16037980, 32075960, 64151920]

約数ペア:

[(1, 64151920), (2, 32075960), (4, 16037980), (5, 12830384), (7, 9164560), (8, 8018990), (10, 6415192), (14, 4582280), (16, 4009495), (20, 3207596), (28, 2291140), (35, 1832912), (40, 1603798), (56, 1145570), (70, 916456), (80, 801899), (97, 661360), (112, 572785), (140, 458228), (194, 330680), (280, 229114), (388, 165340), (485, 132272), (560, 114557), (679, 94480), (776, 82670), (970, 66136), (1181, 54320), (1358, 47240), (1552, 41335), (1940, 33068), (2362, 27160), (2716, 23620), (3395, 18896), (3880, 16534), (4724, 13580), (5432, 11810), (5905, 10864), (6790, 9448), (7760, 8267)]