82715940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2381}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 252310968

約数和(自身を除く): 169595028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2381, 2895, 3474, 3860, 4762, 5790, 6948, 7143, 8685, 9524, 11580, 11905, 14286, 17370, 21429, 23810, 28572, 34740, 35715, 42858, 47620, 71430, 85716, 107145, 142860, 214290, 428580, 459533, 919066, 1378599, 1838132, 2297665, 2757198, 4135797, 4595330, 5514396, 6892995, 8271594, 9190660, 13785990, 16543188, 20678985, 27571980, 41357970, 82715940]

約数ペア:

[(1, 82715940), (2, 41357970), (3, 27571980), (4, 20678985), (5, 16543188), (6, 13785990), (9, 9190660), (10, 8271594), (12, 6892995), (15, 5514396), (18, 4595330), (20, 4135797), (30, 2757198), (36, 2297665), (45, 1838132), (60, 1378599), (90, 919066), (180, 459533), (193, 428580), (386, 214290), (579, 142860), (772, 107145), (965, 85716), (1158, 71430), (1737, 47620), (1930, 42858), (2316, 35715), (2381, 34740), (2895, 28572), (3474, 23810), (3860, 21429), (4762, 17370), (5790, 14286), (6948, 11905), (7143, 11580), (8685, 9524)]