15611580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2075

約数の個数: 72

約数和(自身を含む): 48480432

約数和(自身を除く): 32868852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2017, 2580, 3870, 4034, 6051, 7740, 8068, 10085, 12102, 18153, 20170, 24204, 30255, 36306, 40340, 60510, 72612, 86731, 90765, 121020, 173462, 181530, 260193, 346924, 363060, 433655, 520386, 780579, 867310, 1040772, 1300965, 1561158, 1734620, 2601930, 3122316, 3902895, 5203860, 7805790, 15611580]

約数ペア:

[(1, 15611580), (2, 7805790), (3, 5203860), (4, 3902895), (5, 3122316), (6, 2601930), (9, 1734620), (10, 1561158), (12, 1300965), (15, 1040772), (18, 867310), (20, 780579), (30, 520386), (36, 433655), (43, 363060), (45, 346924), (60, 260193), (86, 181530), (90, 173462), (129, 121020), (172, 90765), (180, 86731), (215, 72612), (258, 60510), (387, 40340), (430, 36306), (516, 30255), (645, 24204), (774, 20170), (860, 18153), (1290, 12102), (1548, 10085), (1935, 8068), (2017, 7740), (2580, 6051), (3870, 4034)]