78547480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10501}}^1$

素因数の和:10540

約数の個数: 64

約数和(自身を含む): 204158880

約数和(自身を除く): 125611400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 10501, 21002, 42004, 52505, 84008, 105010, 115511, 178517, 210020, 231022, 357034, 420040, 462044, 577555, 714068, 892585, 924088, 1155110, 1428136, 1785170, 1963687, 2310220, 3570340, 3927374, 4620440, 7140680, 7854748, 9818435, 15709496, 19636870, 39273740, 78547480]

約数ペア:

[(1, 78547480), (2, 39273740), (4, 19636870), (5, 15709496), (8, 9818435), (10, 7854748), (11, 7140680), (17, 4620440), (20, 3927374), (22, 3570340), (34, 2310220), (40, 1963687), (44, 1785170), (55, 1428136), (68, 1155110), (85, 924088), (88, 892585), (110, 714068), (136, 577555), (170, 462044), (187, 420040), (220, 357034), (340, 231022), (374, 210020), (440, 178517), (680, 115511), (748, 105010), (935, 84008), (1496, 52505), (1870, 42004), (3740, 21002), (7480, 10501)]