31286340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2469

約数の個数: 72

約数和(自身を含む): 96242328

約数和(自身を除く): 64955988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2381, 2628, 3285, 4380, 4762, 6570, 7143, 9524, 11905, 13140, 14286, 21429, 23810, 28572, 35715, 42858, 47620, 71430, 85716, 107145, 142860, 173813, 214290, 347626, 428580, 521439, 695252, 869065, 1042878, 1564317, 1738130, 2085756, 2607195, 3128634, 3476260, 5214390, 6257268, 7821585, 10428780, 15643170, 31286340]

約数ペア:

[(1, 31286340), (2, 15643170), (3, 10428780), (4, 7821585), (5, 6257268), (6, 5214390), (9, 3476260), (10, 3128634), (12, 2607195), (15, 2085756), (18, 1738130), (20, 1564317), (30, 1042878), (36, 869065), (45, 695252), (60, 521439), (73, 428580), (90, 347626), (146, 214290), (180, 173813), (219, 142860), (292, 107145), (365, 85716), (438, 71430), (657, 47620), (730, 42858), (876, 35715), (1095, 28572), (1314, 23810), (1460, 21429), (2190, 14286), (2381, 13140), (2628, 11905), (3285, 9524), (4380, 7143), (4762, 6570)]