66880040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1667}}^1$

素因数の和:1754

約数の個数: 64

約数和(自身を含む): 162129600

約数和(自身を除く): 95249560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 1667, 2006, 2360, 3334, 4012, 5015, 6668, 8024, 8335, 10030, 13336, 16670, 20060, 28339, 33340, 40120, 56678, 66680, 98353, 113356, 141695, 196706, 226712, 283390, 393412, 491765, 566780, 786824, 983530, 1133560, 1672001, 1967060, 3344002, 3934120, 6688004, 8360005, 13376008, 16720010, 33440020, 66880040]

約数ペア:

[(1, 66880040), (2, 33440020), (4, 16720010), (5, 13376008), (8, 8360005), (10, 6688004), (17, 3934120), (20, 3344002), (34, 1967060), (40, 1672001), (59, 1133560), (68, 983530), (85, 786824), (118, 566780), (136, 491765), (170, 393412), (236, 283390), (295, 226712), (340, 196706), (472, 141695), (590, 113356), (680, 98353), (1003, 66680), (1180, 56678), (1667, 40120), (2006, 33340), (2360, 28339), (3334, 20060), (4012, 16670), (5015, 13336), (6668, 10030), (8024, 8335)]