261616530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1283}}^1$

素因数の和:2271

約数の個数: 64

約数和(自身を含む): 718875648

約数和(自身を除く): 457259118

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 971, 1283, 1942, 2566, 2913, 3849, 4855, 5826, 6415, 6797, 7698, 8981, 9710, 12830, 13594, 14565, 17962, 19245, 20391, 26943, 29130, 33985, 38490, 40782, 44905, 53886, 67970, 89810, 101955, 134715, 203910, 269430, 1245793, 2491586, 3737379, 6228965, 7474758, 8720551, 12457930, 17441102, 18686895, 26161653, 37373790, 43602755, 52323306, 87205510, 130808265, 261616530]

約数ペア:

[(1, 261616530), (2, 130808265), (3, 87205510), (5, 52323306), (6, 43602755), (7, 37373790), (10, 26161653), (14, 18686895), (15, 17441102), (21, 12457930), (30, 8720551), (35, 7474758), (42, 6228965), (70, 3737379), (105, 2491586), (210, 1245793), (971, 269430), (1283, 203910), (1942, 134715), (2566, 101955), (2913, 89810), (3849, 67970), (4855, 53886), (5826, 44905), (6415, 40782), (6797, 38490), (7698, 33985), (8981, 29130), (9710, 26943), (12830, 20391), (13594, 19245), (14565, 17962)]