15075740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 33751200

約数和(自身を除く): 18675460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 409, 485, 818, 970, 1636, 1843, 1940, 2045, 3686, 4090, 7372, 7771, 8180, 9215, 15542, 18430, 31084, 36860, 38855, 39673, 77710, 79346, 155420, 158692, 198365, 396730, 753787, 793460, 1507574, 3015148, 3768935, 7537870, 15075740]

約数ペア:

[(1, 15075740), (2, 7537870), (4, 3768935), (5, 3015148), (10, 1507574), (19, 793460), (20, 753787), (38, 396730), (76, 198365), (95, 158692), (97, 155420), (190, 79346), (194, 77710), (380, 39673), (388, 38855), (409, 36860), (485, 31084), (818, 18430), (970, 15542), (1636, 9215), (1843, 8180), (1940, 7771), (2045, 7372), (3686, 4090)]