15480860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 34062336

約数和(自身を除く): 18581476

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 383, 430, 470, 766, 860, 940, 1532, 1915, 2021, 3830, 4042, 7660, 8084, 10105, 16469, 18001, 20210, 32938, 36002, 40420, 65876, 72004, 82345, 90005, 164690, 180010, 329380, 360020, 774043, 1548086, 3096172, 3870215, 7740430, 15480860]

約数ペア:

[(1, 15480860), (2, 7740430), (4, 3870215), (5, 3096172), (10, 1548086), (20, 774043), (43, 360020), (47, 329380), (86, 180010), (94, 164690), (172, 90005), (188, 82345), (215, 72004), (235, 65876), (383, 40420), (430, 36002), (470, 32938), (766, 20210), (860, 18001), (940, 16469), (1532, 10105), (1915, 8084), (2021, 7660), (3830, 4042)]