68204280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1283}}^1$

素因数の和:1740

約数の個数: 64

約数和(自身を含む): 205234560

約数和(自身を除く): 137030280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 443, 886, 1283, 1329, 1772, 2215, 2566, 2658, 3544, 3849, 4430, 5132, 5316, 6415, 6645, 7698, 8860, 10264, 10632, 12830, 13290, 15396, 17720, 19245, 25660, 26580, 30792, 38490, 51320, 53160, 76980, 153960, 568369, 1136738, 1705107, 2273476, 2841845, 3410214, 4546952, 5683690, 6820428, 8525535, 11367380, 13640856, 17051070, 22734760, 34102140, 68204280]

約数ペア:

[(1, 68204280), (2, 34102140), (3, 22734760), (4, 17051070), (5, 13640856), (6, 11367380), (8, 8525535), (10, 6820428), (12, 5683690), (15, 4546952), (20, 3410214), (24, 2841845), (30, 2273476), (40, 1705107), (60, 1136738), (120, 568369), (443, 153960), (886, 76980), (1283, 53160), (1329, 51320), (1772, 38490), (2215, 30792), (2566, 26580), (2658, 25660), (3544, 19245), (3849, 17720), (4430, 15396), (5132, 13290), (5316, 12830), (6415, 10632), (6645, 10264), (7698, 8860)]