39857940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2430

約数の個数: 96

約数和(自身を含む): 128056320

約数和(自身を除く): 88198380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2381, 2790, 3348, 4185, 4762, 5580, 7143, 8370, 9524, 11905, 14286, 16740, 21429, 23810, 28572, 35715, 42858, 47620, 64287, 71430, 73811, 85716, 107145, 128574, 142860, 147622, 214290, 221433, 257148, 295244, 321435, 369055, 428580, 442866, 642870, 664299, 738110, 885732, 1107165, 1285740, 1328598, 1476220, 1992897, 2214330, 2657196, 3321495, 3985794, 4428660, 6642990, 7971588, 9964485, 13285980, 19928970, 39857940]

約数ペア:

[(1, 39857940), (2, 19928970), (3, 13285980), (4, 9964485), (5, 7971588), (6, 6642990), (9, 4428660), (10, 3985794), (12, 3321495), (15, 2657196), (18, 2214330), (20, 1992897), (27, 1476220), (30, 1328598), (31, 1285740), (36, 1107165), (45, 885732), (54, 738110), (60, 664299), (62, 642870), (90, 442866), (93, 428580), (108, 369055), (124, 321435), (135, 295244), (155, 257148), (180, 221433), (186, 214290), (270, 147622), (279, 142860), (310, 128574), (372, 107145), (465, 85716), (540, 73811), (558, 71430), (620, 64287), (837, 47620), (930, 42858), (1116, 35715), (1395, 28572), (1674, 23810), (1860, 21429), (2381, 16740), (2790, 14286), (3348, 11905), (4185, 9524), (4762, 8370), (5580, 7143)]