161715520

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4723}}^1$

素因数の和:4847

約数の個数: 56

約数和(自身を含む): 388766304

約数和(自身を除く): 227050784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 4723, 6848, 8560, 9446, 17120, 18892, 23615, 34240, 37784, 47230, 75568, 94460, 151136, 188920, 302272, 377840, 505361, 755680, 1010722, 1511360, 2021444, 2526805, 4042888, 5053610, 8085776, 10107220, 16171552, 20214440, 32343104, 40428880, 80857760, 161715520]

約数ペア:

[(1, 161715520), (2, 80857760), (4, 40428880), (5, 32343104), (8, 20214440), (10, 16171552), (16, 10107220), (20, 8085776), (32, 5053610), (40, 4042888), (64, 2526805), (80, 2021444), (107, 1511360), (160, 1010722), (214, 755680), (320, 505361), (428, 377840), (535, 302272), (856, 188920), (1070, 151136), (1712, 94460), (2140, 75568), (3424, 47230), (4280, 37784), (4723, 34240), (6848, 23615), (8560, 18892), (9446, 17120)]