68780985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1298

約数の個数: 64

約数和(自身を含む): 138862080

約数和(自身を除く): 70081095

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 41, 65, 91, 105, 123, 195, 205, 273, 287, 455, 533, 615, 861, 1229, 1365, 1435, 1599, 2665, 3687, 3731, 4305, 6145, 7995, 8603, 11193, 15977, 18435, 18655, 25809, 43015, 47931, 50389, 55965, 79885, 111839, 129045, 151167, 239655, 251945, 335517, 352723, 559195, 655057, 755835, 1058169, 1677585, 1763615, 1965171, 3275285, 4585399, 5290845, 9825855, 13756197, 22926995, 68780985]

約数ペア:

[(1, 68780985), (3, 22926995), (5, 13756197), (7, 9825855), (13, 5290845), (15, 4585399), (21, 3275285), (35, 1965171), (39, 1763615), (41, 1677585), (65, 1058169), (91, 755835), (105, 655057), (123, 559195), (195, 352723), (205, 335517), (273, 251945), (287, 239655), (455, 151167), (533, 129045), (615, 111839), (861, 79885), (1229, 55965), (1365, 50389), (1435, 47931), (1599, 43015), (2665, 25809), (3687, 18655), (3731, 18435), (4305, 15977), (6145, 11193), (7995, 8603)]