129605220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7129}}^1$

素因数の和:7245

約数の個数: 72

約数和(自身を含む): 397083960

約数和(自身を除く): 267478740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 7129, 9090, 14258, 18180, 21387, 28516, 35645, 42774, 64161, 71290, 85548, 106935, 128322, 142580, 213870, 256644, 320805, 427740, 641610, 720029, 1283220, 1440058, 2160087, 2880116, 3600145, 4320174, 6480261, 7200290, 8640348, 10800435, 12960522, 14400580, 21600870, 25921044, 32401305, 43201740, 64802610, 129605220]

約数ペア:

[(1, 129605220), (2, 64802610), (3, 43201740), (4, 32401305), (5, 25921044), (6, 21600870), (9, 14400580), (10, 12960522), (12, 10800435), (15, 8640348), (18, 7200290), (20, 6480261), (30, 4320174), (36, 3600145), (45, 2880116), (60, 2160087), (90, 1440058), (101, 1283220), (180, 720029), (202, 641610), (303, 427740), (404, 320805), (505, 256644), (606, 213870), (909, 142580), (1010, 128322), (1212, 106935), (1515, 85548), (1818, 71290), (2020, 64161), (3030, 42774), (3636, 35645), (4545, 28516), (6060, 21387), (7129, 18180), (9090, 14258)]