68318040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81331}}^1$

素因数の和:81352

約数の個数: 64

約数和(自身を含む): 234236160

約数和(自身を除く): 165918120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81331, 162662, 243993, 325324, 406655, 487986, 569317, 650648, 813310, 975972, 1138634, 1219965, 1626620, 1707951, 1951944, 2277268, 2439930, 2846585, 3253240, 3415902, 4554536, 4879860, 5693170, 6831804, 8539755, 9759720, 11386340, 13663608, 17079510, 22772680, 34159020, 68318040]

約数ペア:

[(1, 68318040), (2, 34159020), (3, 22772680), (4, 17079510), (5, 13663608), (6, 11386340), (7, 9759720), (8, 8539755), (10, 6831804), (12, 5693170), (14, 4879860), (15, 4554536), (20, 3415902), (21, 3253240), (24, 2846585), (28, 2439930), (30, 2277268), (35, 1951944), (40, 1707951), (42, 1626620), (56, 1219965), (60, 1138634), (70, 975972), (84, 813310), (105, 650648), (120, 569317), (140, 487986), (168, 406655), (210, 325324), (280, 243993), (420, 162662), (840, 81331)]