68042840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2204

約数の個数: 64

約数和(自身を含む): 165628800

約数和(自身を除く): 97585960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1880, 2129, 3196, 3995, 4258, 6392, 7990, 8516, 10645, 15980, 17032, 21290, 31960, 36193, 42580, 72386, 85160, 100063, 144772, 180965, 200126, 289544, 361930, 400252, 500315, 723860, 800504, 1000630, 1447720, 1701071, 2001260, 3402142, 4002520, 6804284, 8505355, 13608568, 17010710, 34021420, 68042840]

約数ペア:

[(1, 68042840), (2, 34021420), (4, 17010710), (5, 13608568), (8, 8505355), (10, 6804284), (17, 4002520), (20, 3402142), (34, 2001260), (40, 1701071), (47, 1447720), (68, 1000630), (85, 800504), (94, 723860), (136, 500315), (170, 400252), (188, 361930), (235, 289544), (340, 200126), (376, 180965), (470, 144772), (680, 100063), (799, 85160), (940, 72386), (1598, 42580), (1880, 36193), (2129, 31960), (3196, 21290), (3995, 17032), (4258, 15980), (6392, 10645), (7990, 8516)]