156720477620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2493167}}^1$

素因数の和:2493632

約数の個数: 48

約数和(自身を含む): 376967001600

約数和(自身を除く): 220246523980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 898, 1796, 2245, 3143, 4490, 6286, 8980, 12572, 15715, 31430, 62860, 2493167, 4986334, 9972668, 12465835, 17452169, 24931670, 34904338, 49863340, 69808676, 87260845, 174521690, 349043380, 1119431983, 2238863966, 4477727932, 5597159915, 7836023881, 11194319830, 15672047762, 22388639660, 31344095524, 39180119405, 78360238810, 156720477620]

約数ペア:

[(1, 156720477620), (2, 78360238810), (4, 39180119405), (5, 31344095524), (7, 22388639660), (10, 15672047762), (14, 11194319830), (20, 7836023881), (28, 5597159915), (35, 4477727932), (70, 2238863966), (140, 1119431983), (449, 349043380), (898, 174521690), (1796, 87260845), (2245, 69808676), (3143, 49863340), (4490, 34904338), (6286, 24931670), (8980, 17452169), (12572, 12465835), (15715, 9972668), (31430, 4986334), (62860, 2493167)]