51345540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2617}}^1$

素因数の和:2741

約数の個数: 72

約数和(自身を含む): 157237080

約数和(自身を除く): 105891540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 2617, 3270, 3924, 4905, 5234, 6540, 7851, 9810, 10468, 13085, 15702, 19620, 23553, 26170, 31404, 39255, 47106, 52340, 78510, 94212, 117765, 157020, 235530, 285253, 471060, 570506, 855759, 1141012, 1426265, 1711518, 2567277, 2852530, 3423036, 4278795, 5134554, 5705060, 8557590, 10269108, 12836385, 17115180, 25672770, 51345540]

約数ペア:

[(1, 51345540), (2, 25672770), (3, 17115180), (4, 12836385), (5, 10269108), (6, 8557590), (9, 5705060), (10, 5134554), (12, 4278795), (15, 3423036), (18, 2852530), (20, 2567277), (30, 1711518), (36, 1426265), (45, 1141012), (60, 855759), (90, 570506), (109, 471060), (180, 285253), (218, 235530), (327, 157020), (436, 117765), (545, 94212), (654, 78510), (981, 52340), (1090, 47106), (1308, 39255), (1635, 31404), (1962, 26170), (2180, 23553), (2617, 19620), (3270, 15702), (3924, 13085), (4905, 10468), (5234, 9810), (6540, 7851)]