31169580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 95256000

約数和(自身を除く): 64086420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 130, 156, 178, 195, 260, 267, 356, 390, 445, 449, 534, 780, 890, 898, 1068, 1157, 1335, 1347, 1780, 1796, 2245, 2314, 2670, 2694, 3471, 4490, 4628, 5340, 5388, 5785, 5837, 6735, 6942, 8980, 11570, 11674, 13470, 13884, 17355, 17511, 23140, 23348, 26940, 29185, 34710, 35022, 39961, 58370, 69420, 70044, 79922, 87555, 116740, 119883, 159844, 175110, 199805, 239766, 350220, 399610, 479532, 519493, 599415, 799220, 1038986, 1198830, 1558479, 2077972, 2397660, 2597465, 3116958, 5194930, 6233916, 7792395, 10389860, 15584790, 31169580]

約数ペア:

[(1, 31169580), (2, 15584790), (3, 10389860), (4, 7792395), (5, 6233916), (6, 5194930), (10, 3116958), (12, 2597465), (13, 2397660), (15, 2077972), (20, 1558479), (26, 1198830), (30, 1038986), (39, 799220), (52, 599415), (60, 519493), (65, 479532), (78, 399610), (89, 350220), (130, 239766), (156, 199805), (178, 175110), (195, 159844), (260, 119883), (267, 116740), (356, 87555), (390, 79922), (445, 70044), (449, 69420), (534, 58370), (780, 39961), (890, 35022), (898, 34710), (1068, 29185), (1157, 26940), (1335, 23348), (1347, 23140), (1780, 17511), (1796, 17355), (2245, 13884), (2314, 13470), (2670, 11674), (2694, 11570), (3471, 8980), (4490, 6942), (4628, 6735), (5340, 5837), (5388, 5785)]