161818160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2861}}^1$

素因数の和:2982

約数の個数: 80

約数和(自身を含む): 434382912

約数和(自身を除く): 272564752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1616, 2020, 2828, 2861, 3535, 4040, 5656, 5722, 7070, 8080, 11312, 11444, 14140, 14305, 20027, 22888, 28280, 28610, 40054, 45776, 56560, 57220, 80108, 100135, 114440, 160216, 200270, 228880, 288961, 320432, 400540, 577922, 801080, 1155844, 1444805, 1602160, 2022727, 2311688, 2889610, 4045454, 4623376, 5779220, 8090908, 10113635, 11558440, 16181816, 20227270, 23116880, 32363632, 40454540, 80909080, 161818160]

約数ペア:

[(1, 161818160), (2, 80909080), (4, 40454540), (5, 32363632), (7, 23116880), (8, 20227270), (10, 16181816), (14, 11558440), (16, 10113635), (20, 8090908), (28, 5779220), (35, 4623376), (40, 4045454), (56, 2889610), (70, 2311688), (80, 2022727), (101, 1602160), (112, 1444805), (140, 1155844), (202, 801080), (280, 577922), (404, 400540), (505, 320432), (560, 288961), (707, 228880), (808, 200270), (1010, 160216), (1414, 114440), (1616, 100135), (2020, 80108), (2828, 57220), (2861, 56560), (3535, 45776), (4040, 40054), (5656, 28610), (5722, 28280), (7070, 22888), (8080, 20027), (11312, 14305), (11444, 14140)]