81311688

素因数分解:

$2^3\times 3^5\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 230717760

約数和(自身を除く): 149406072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 151, 162, 216, 243, 277, 302, 324, 453, 486, 554, 604, 648, 831, 906, 972, 1108, 1208, 1359, 1662, 1812, 1944, 2216, 2493, 2718, 3324, 3624, 4077, 4986, 5436, 6648, 7479, 8154, 9972, 10872, 12231, 14958, 16308, 19944, 22437, 24462, 29916, 32616, 36693, 41827, 44874, 48924, 59832, 67311, 73386, 83654, 89748, 97848, 125481, 134622, 146772, 167308, 179496, 250962, 269244, 293544, 334616, 376443, 501924, 538488, 752886, 1003848, 1129329, 1505772, 2258658, 3011544, 3387987, 4517316, 6775974, 9034632, 10163961, 13551948, 20327922, 27103896, 40655844, 81311688]

約数ペア:

[(1, 81311688), (2, 40655844), (3, 27103896), (4, 20327922), (6, 13551948), (8, 10163961), (9, 9034632), (12, 6775974), (18, 4517316), (24, 3387987), (27, 3011544), (36, 2258658), (54, 1505772), (72, 1129329), (81, 1003848), (108, 752886), (151, 538488), (162, 501924), (216, 376443), (243, 334616), (277, 293544), (302, 269244), (324, 250962), (453, 179496), (486, 167308), (554, 146772), (604, 134622), (648, 125481), (831, 97848), (906, 89748), (972, 83654), (1108, 73386), (1208, 67311), (1359, 59832), (1662, 48924), (1812, 44874), (1944, 41827), (2216, 36693), (2493, 32616), (2718, 29916), (3324, 24462), (3624, 22437), (4077, 19944), (4986, 16308), (5436, 14958), (6648, 12231), (7479, 10872), (8154, 9972)]