74982320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 200397888

約数和(自身を除く): 125415568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 521, 560, 1028, 1042, 1285, 1799, 2056, 2084, 2570, 2605, 3598, 3647, 4112, 4168, 5140, 5210, 7196, 7294, 8336, 8995, 10280, 10420, 14392, 14588, 17990, 18235, 20560, 20840, 28784, 29176, 35980, 36470, 41680, 58352, 71960, 72940, 133897, 143920, 145880, 267794, 291760, 535588, 669485, 937279, 1071176, 1338970, 1874558, 2142352, 2677940, 3749116, 4686395, 5355880, 7498232, 9372790, 10711760, 14996464, 18745580, 37491160, 74982320]

約数ペア:

[(1, 74982320), (2, 37491160), (4, 18745580), (5, 14996464), (7, 10711760), (8, 9372790), (10, 7498232), (14, 5355880), (16, 4686395), (20, 3749116), (28, 2677940), (35, 2142352), (40, 1874558), (56, 1338970), (70, 1071176), (80, 937279), (112, 669485), (140, 535588), (257, 291760), (280, 267794), (514, 145880), (521, 143920), (560, 133897), (1028, 72940), (1042, 71960), (1285, 58352), (1799, 41680), (2056, 36470), (2084, 35980), (2570, 29176), (2605, 28784), (3598, 20840), (3647, 20560), (4112, 18235), (4168, 17990), (5140, 14588), (5210, 14392), (7196, 10420), (7294, 10280), (8336, 8995)]