12889440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{8951}}^1$

素因数の和:8972

約数の個数: 72

約数和(自身を含む): 43990128

約数和(自身を除く): 31100688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 8951, 17902, 26853, 35804, 44755, 53706, 71608, 80559, 89510, 107412, 134265, 143216, 161118, 179020, 214824, 268530, 286432, 322236, 358040, 402795, 429648, 537060, 644472, 716080, 805590, 859296, 1074120, 1288944, 1432160, 1611180, 2148240, 2577888, 3222360, 4296480, 6444720, 12889440]

約数ペア:

[(1, 12889440), (2, 6444720), (3, 4296480), (4, 3222360), (5, 2577888), (6, 2148240), (8, 1611180), (9, 1432160), (10, 1288944), (12, 1074120), (15, 859296), (16, 805590), (18, 716080), (20, 644472), (24, 537060), (30, 429648), (32, 402795), (36, 358040), (40, 322236), (45, 286432), (48, 268530), (60, 214824), (72, 179020), (80, 161118), (90, 143216), (96, 134265), (120, 107412), (144, 89510), (160, 80559), (180, 71608), (240, 53706), (288, 44755), (360, 35804), (480, 26853), (720, 17902), (1440, 8951)]