31331580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10657}}^1$

素因数の和:10683

約数の個数: 72

約数和(自身を含む): 102061008

約数和(自身を除く): 70729428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10657, 21314, 31971, 42628, 53285, 63942, 74599, 106570, 127884, 149198, 159855, 213140, 223797, 298396, 319710, 372995, 447594, 522193, 639420, 745990, 895188, 1044386, 1118985, 1491980, 1566579, 2088772, 2237970, 2610965, 3133158, 4475940, 5221930, 6266316, 7832895, 10443860, 15665790, 31331580]

約数ペア:

[(1, 31331580), (2, 15665790), (3, 10443860), (4, 7832895), (5, 6266316), (6, 5221930), (7, 4475940), (10, 3133158), (12, 2610965), (14, 2237970), (15, 2088772), (20, 1566579), (21, 1491980), (28, 1118985), (30, 1044386), (35, 895188), (42, 745990), (49, 639420), (60, 522193), (70, 447594), (84, 372995), (98, 319710), (105, 298396), (140, 223797), (147, 213140), (196, 159855), (210, 149198), (245, 127884), (294, 106570), (420, 74599), (490, 63942), (588, 53285), (735, 42628), (980, 31971), (1470, 21314), (2940, 10657)]