12978120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 40521600

約数和(自身を除く): 27543480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 79, 111, 120, 148, 158, 185, 222, 237, 296, 316, 370, 395, 444, 474, 555, 632, 740, 790, 888, 948, 1110, 1185, 1369, 1480, 1580, 1896, 2220, 2370, 2738, 2923, 3160, 4107, 4440, 4740, 5476, 5846, 6845, 8214, 8769, 9480, 10952, 11692, 13690, 14615, 16428, 17538, 20535, 23384, 27380, 29230, 32856, 35076, 41070, 43845, 54760, 58460, 70152, 82140, 87690, 108151, 116920, 164280, 175380, 216302, 324453, 350760, 432604, 540755, 648906, 865208, 1081510, 1297812, 1622265, 2163020, 2595624, 3244530, 4326040, 6489060, 12978120]

約数ペア:

[(1, 12978120), (2, 6489060), (3, 4326040), (4, 3244530), (5, 2595624), (6, 2163020), (8, 1622265), (10, 1297812), (12, 1081510), (15, 865208), (20, 648906), (24, 540755), (30, 432604), (37, 350760), (40, 324453), (60, 216302), (74, 175380), (79, 164280), (111, 116920), (120, 108151), (148, 87690), (158, 82140), (185, 70152), (222, 58460), (237, 54760), (296, 43845), (316, 41070), (370, 35076), (395, 32856), (444, 29230), (474, 27380), (555, 23384), (632, 20535), (740, 17538), (790, 16428), (888, 14615), (948, 13690), (1110, 11692), (1185, 10952), (1369, 9480), (1480, 8769), (1580, 8214), (1896, 6845), (2220, 5846), (2370, 5476), (2738, 4740), (2923, 4440), (3160, 4107)]