15181880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 24562120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 919, 1180, 1652, 1838, 2065, 2360, 3304, 3676, 4130, 4595, 6433, 7352, 8260, 9190, 12866, 16520, 18380, 25732, 32165, 36760, 51464, 54221, 64330, 108442, 128660, 216884, 257320, 271105, 379547, 433768, 542210, 759094, 1084420, 1518188, 1897735, 2168840, 3036376, 3795470, 7590940, 15181880]

約数ペア:

[(1, 15181880), (2, 7590940), (4, 3795470), (5, 3036376), (7, 2168840), (8, 1897735), (10, 1518188), (14, 1084420), (20, 759094), (28, 542210), (35, 433768), (40, 379547), (56, 271105), (59, 257320), (70, 216884), (118, 128660), (140, 108442), (236, 64330), (280, 54221), (295, 51464), (413, 36760), (472, 32165), (590, 25732), (826, 18380), (919, 16520), (1180, 12866), (1652, 9190), (1838, 8260), (2065, 7352), (2360, 6433), (3304, 4595), (3676, 4130)]