18149320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 29439800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1223, 1484, 1855, 2120, 2446, 2968, 3710, 4892, 6115, 7420, 8561, 9784, 12230, 14840, 17122, 24460, 34244, 42805, 48920, 64819, 68488, 85610, 129638, 171220, 259276, 324095, 342440, 453733, 518552, 648190, 907466, 1296380, 1814932, 2268665, 2592760, 3629864, 4537330, 9074660, 18149320]

約数ペア:

[(1, 18149320), (2, 9074660), (4, 4537330), (5, 3629864), (7, 2592760), (8, 2268665), (10, 1814932), (14, 1296380), (20, 907466), (28, 648190), (35, 518552), (40, 453733), (53, 342440), (56, 324095), (70, 259276), (106, 171220), (140, 129638), (212, 85610), (265, 68488), (280, 64819), (371, 48920), (424, 42805), (530, 34244), (742, 24460), (1060, 17122), (1223, 14840), (1484, 12230), (1855, 9784), (2120, 8561), (2446, 7420), (2968, 6115), (3710, 4892)]