18205080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 36745320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 719, 844, 1055, 1266, 1438, 1688, 2110, 2157, 2532, 2876, 3165, 3595, 4220, 4314, 5064, 5752, 6330, 7190, 8440, 8628, 10785, 12660, 14380, 17256, 21570, 25320, 28760, 43140, 86280, 151709, 303418, 455127, 606836, 758545, 910254, 1213672, 1517090, 1820508, 2275635, 3034180, 3641016, 4551270, 6068360, 9102540, 18205080]

約数ペア:

[(1, 18205080), (2, 9102540), (3, 6068360), (4, 4551270), (5, 3641016), (6, 3034180), (8, 2275635), (10, 1820508), (12, 1517090), (15, 1213672), (20, 910254), (24, 758545), (30, 606836), (40, 455127), (60, 303418), (120, 151709), (211, 86280), (422, 43140), (633, 28760), (719, 25320), (844, 21570), (1055, 17256), (1266, 14380), (1438, 12660), (1688, 10785), (2110, 8628), (2157, 8440), (2532, 7190), (2876, 6330), (3165, 5752), (3595, 5064), (4220, 4314)]