68512040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1901}}^1$

素因数の和:1982

約数の個数: 64

約数和(自身を含む): 166386960

約数和(自身を除く): 97874920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 1901, 2120, 3604, 3802, 4505, 7208, 7604, 9010, 9505, 15208, 18020, 19010, 32317, 36040, 38020, 64634, 76040, 100753, 129268, 161585, 201506, 258536, 323170, 403012, 503765, 646340, 806024, 1007530, 1292680, 1712801, 2015060, 3425602, 4030120, 6851204, 8564005, 13702408, 17128010, 34256020, 68512040]

約数ペア:

[(1, 68512040), (2, 34256020), (4, 17128010), (5, 13702408), (8, 8564005), (10, 6851204), (17, 4030120), (20, 3425602), (34, 2015060), (40, 1712801), (53, 1292680), (68, 1007530), (85, 806024), (106, 646340), (136, 503765), (170, 403012), (212, 323170), (265, 258536), (340, 201506), (424, 161585), (530, 129268), (680, 100753), (901, 76040), (1060, 64634), (1802, 38020), (1901, 36040), (2120, 32317), (3604, 19010), (3802, 18020), (4505, 15208), (7208, 9505), (7604, 9010)]