66671080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7730

約数の個数: 64

約数和(自身を含む): 176993280

約数和(自身を除く): 110322200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 7681, 8680, 15362, 30724, 38405, 53767, 61448, 76810, 107534, 153620, 215068, 238111, 268835, 307240, 430136, 476222, 537670, 952444, 1075340, 1190555, 1666777, 1904888, 2150680, 2381110, 3333554, 4762220, 6667108, 8333885, 9524440, 13334216, 16667770, 33335540, 66671080]

約数ペア:

[(1, 66671080), (2, 33335540), (4, 16667770), (5, 13334216), (7, 9524440), (8, 8333885), (10, 6667108), (14, 4762220), (20, 3333554), (28, 2381110), (31, 2150680), (35, 1904888), (40, 1666777), (56, 1190555), (62, 1075340), (70, 952444), (124, 537670), (140, 476222), (155, 430136), (217, 307240), (248, 268835), (280, 238111), (310, 215068), (434, 153620), (620, 107534), (868, 76810), (1085, 61448), (1240, 53767), (1736, 38405), (2170, 30724), (4340, 15362), (7681, 8680)]