68404830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4079}}^1$

素因数の和:4145

約数の個数: 64

約数和(自身を含む): 180956160

約数和(自身を除く): 112551330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 2795, 3354, 4079, 5590, 8158, 8385, 12237, 16770, 20395, 24474, 40790, 53027, 61185, 106054, 122370, 159081, 175397, 265135, 318162, 350794, 526191, 530270, 795405, 876985, 1052382, 1590810, 1753970, 2280161, 2630955, 4560322, 5261910, 6840483, 11400805, 13680966, 22801610, 34202415, 68404830]

約数ペア:

[(1, 68404830), (2, 34202415), (3, 22801610), (5, 13680966), (6, 11400805), (10, 6840483), (13, 5261910), (15, 4560322), (26, 2630955), (30, 2280161), (39, 1753970), (43, 1590810), (65, 1052382), (78, 876985), (86, 795405), (129, 530270), (130, 526191), (195, 350794), (215, 318162), (258, 265135), (390, 175397), (430, 159081), (559, 122370), (645, 106054), (1118, 61185), (1290, 53027), (1677, 40790), (2795, 24474), (3354, 20395), (4079, 16770), (5590, 12237), (8158, 8385)]