161630140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2029}}^1$

素因数の和:2614

約数の個数: 48

約数和(自身を含む): 388785600

約数和(自身を除く): 227155460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 2029, 2276, 2845, 3983, 4058, 5690, 7966, 8116, 10145, 11380, 14203, 15932, 19915, 20290, 28406, 39830, 40580, 56812, 71015, 79660, 142030, 284060, 1154501, 2309002, 4618004, 5772505, 8081507, 11545010, 16163014, 23090020, 32326028, 40407535, 80815070, 161630140]

約数ペア:

[(1, 161630140), (2, 80815070), (4, 40407535), (5, 32326028), (7, 23090020), (10, 16163014), (14, 11545010), (20, 8081507), (28, 5772505), (35, 4618004), (70, 2309002), (140, 1154501), (569, 284060), (1138, 142030), (2029, 79660), (2276, 71015), (2845, 56812), (3983, 40580), (4058, 39830), (5690, 28406), (7966, 20290), (8116, 19915), (10145, 15932), (11380, 14203)]