81464370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2459

約数の個数: 64

約数和(自身を含む): 213010560

約数和(自身を除く): 131546190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 890, 1157, 1335, 2314, 2347, 2670, 3471, 4694, 5785, 6942, 7041, 11570, 11735, 14082, 17355, 23470, 30511, 34710, 35205, 61022, 70410, 91533, 152555, 183066, 208883, 305110, 417766, 457665, 626649, 915330, 1044415, 1253298, 2088830, 2715479, 3133245, 5430958, 6266490, 8146437, 13577395, 16292874, 27154790, 40732185, 81464370]

約数ペア:

[(1, 81464370), (2, 40732185), (3, 27154790), (5, 16292874), (6, 13577395), (10, 8146437), (13, 6266490), (15, 5430958), (26, 3133245), (30, 2715479), (39, 2088830), (65, 1253298), (78, 1044415), (89, 915330), (130, 626649), (178, 457665), (195, 417766), (267, 305110), (390, 208883), (445, 183066), (534, 152555), (890, 91533), (1157, 70410), (1335, 61022), (2314, 35205), (2347, 34710), (2670, 30511), (3471, 23470), (4694, 17355), (5785, 14082), (6942, 11735), (7041, 11570)]