161985720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103837}}^1$

素因数の和:103864

約数の個数: 64

約数和(自身を含む): 523343520

約数和(自身を除く): 361357800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 103837, 207674, 311511, 415348, 519185, 623022, 830696, 1038370, 1246044, 1349881, 1557555, 2076740, 2492088, 2699762, 3115110, 4049643, 4153480, 5399524, 6230220, 6749405, 8099286, 10799048, 12460440, 13498810, 16198572, 20248215, 26997620, 32397144, 40496430, 53995240, 80992860, 161985720]

約数ペア:

[(1, 161985720), (2, 80992860), (3, 53995240), (4, 40496430), (5, 32397144), (6, 26997620), (8, 20248215), (10, 16198572), (12, 13498810), (13, 12460440), (15, 10799048), (20, 8099286), (24, 6749405), (26, 6230220), (30, 5399524), (39, 4153480), (40, 4049643), (52, 3115110), (60, 2699762), (65, 2492088), (78, 2076740), (104, 1557555), (120, 1349881), (130, 1246044), (156, 1038370), (195, 830696), (260, 623022), (312, 519185), (390, 415348), (520, 311511), (780, 207674), (1560, 103837)]