18505680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{929}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 58121280

約数和(自身を除く): 39615600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 929, 996, 1245, 1328, 1660, 1858, 1992, 2490, 2787, 3320, 3716, 3984, 4645, 4980, 5574, 6640, 7432, 9290, 9960, 11148, 13935, 14864, 18580, 19920, 22296, 27870, 37160, 44592, 55740, 74320, 77107, 111480, 154214, 222960, 231321, 308428, 385535, 462642, 616856, 771070, 925284, 1156605, 1233712, 1542140, 1850568, 2313210, 3084280, 3701136, 4626420, 6168560, 9252840, 18505680]

約数ペア:

[(1, 18505680), (2, 9252840), (3, 6168560), (4, 4626420), (5, 3701136), (6, 3084280), (8, 2313210), (10, 1850568), (12, 1542140), (15, 1233712), (16, 1156605), (20, 925284), (24, 771070), (30, 616856), (40, 462642), (48, 385535), (60, 308428), (80, 231321), (83, 222960), (120, 154214), (166, 111480), (240, 77107), (249, 74320), (332, 55740), (415, 44592), (498, 37160), (664, 27870), (830, 22296), (929, 19920), (996, 18580), (1245, 14864), (1328, 13935), (1660, 11148), (1858, 9960), (1992, 9290), (2490, 7432), (2787, 6640), (3320, 5574), (3716, 4980), (3984, 4645)]