28211584920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2156849}}^1$

素因数の和:2156972

約数の個数: 64

約数和(自身を含む): 85411260000

約数和(自身を除く): 57199675080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1635, 2180, 2616, 3270, 4360, 6540, 13080, 2156849, 4313698, 6470547, 8627396, 10784245, 12941094, 17254792, 21568490, 25882188, 32352735, 43136980, 51764376, 64705470, 86273960, 129410940, 235096541, 258821880, 470193082, 705289623, 940386164, 1175482705, 1410579246, 1880772328, 2350965410, 2821158492, 3526448115, 4701930820, 5642316984, 7052896230, 9403861640, 14105792460, 28211584920]

約数ペア:

[(1, 28211584920), (2, 14105792460), (3, 9403861640), (4, 7052896230), (5, 5642316984), (6, 4701930820), (8, 3526448115), (10, 2821158492), (12, 2350965410), (15, 1880772328), (20, 1410579246), (24, 1175482705), (30, 940386164), (40, 705289623), (60, 470193082), (109, 258821880), (120, 235096541), (218, 129410940), (327, 86273960), (436, 64705470), (545, 51764376), (654, 43136980), (872, 32352735), (1090, 25882188), (1308, 21568490), (1635, 17254792), (2180, 12941094), (2616, 10784245), (3270, 8627396), (4360, 6470547), (6540, 4313698), (13080, 2156849)]