68717080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 161095680

約数和(自身を除く): 92378600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 151, 155, 248, 302, 310, 367, 604, 620, 734, 755, 1208, 1240, 1468, 1510, 1835, 2936, 3020, 3670, 4681, 6040, 7340, 9362, 11377, 14680, 18724, 22754, 23405, 37448, 45508, 46810, 55417, 56885, 91016, 93620, 110834, 113770, 187240, 221668, 227540, 277085, 443336, 455080, 554170, 1108340, 1717927, 2216680, 3435854, 6871708, 8589635, 13743416, 17179270, 34358540, 68717080]

約数ペア:

[(1, 68717080), (2, 34358540), (4, 17179270), (5, 13743416), (8, 8589635), (10, 6871708), (20, 3435854), (31, 2216680), (40, 1717927), (62, 1108340), (124, 554170), (151, 455080), (155, 443336), (248, 277085), (302, 227540), (310, 221668), (367, 187240), (604, 113770), (620, 110834), (734, 93620), (755, 91016), (1208, 56885), (1240, 55417), (1468, 46810), (1510, 45508), (1835, 37448), (2936, 23405), (3020, 22754), (3670, 18724), (4681, 14680), (6040, 11377), (7340, 9362)]