15688980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 48720672

約数和(自身を除く): 33031692

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, 2027, 2580, 3870, 4054, 6081, 7740, 8108, 10135, 12162, 18243, 20270, 24324, 30405, 36486, 40540, 60810, 72972, 87161, 91215, 121620, 174322, 182430, 261483, 348644, 364860, 435805, 522966, 784449, 871610, 1045932, 1307415, 1568898, 1743220, 2614830, 3137796, 3922245, 5229660, 7844490, 15688980]

約数ペア:

[(1, 15688980), (2, 7844490), (3, 5229660), (4, 3922245), (5, 3137796), (6, 2614830), (9, 1743220), (10, 1568898), (12, 1307415), (15, 1045932), (18, 871610), (20, 784449), (30, 522966), (36, 435805), (43, 364860), (45, 348644), (60, 261483), (86, 182430), (90, 174322), (129, 121620), (172, 91215), (180, 87161), (215, 72972), (258, 60810), (387, 40540), (430, 36486), (516, 30405), (645, 24324), (774, 20270), (860, 18243), (1290, 12162), (1548, 10135), (1935, 8108), (2027, 7740), (2580, 6081), (3870, 4054)]