18678780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2587

約数の個数: 72

約数和(自身を含む): 58063824

約数和(自身を除く): 39385044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 2531, 3690, 5062, 7380, 7593, 10124, 12655, 15186, 22779, 25310, 30372, 37965, 45558, 50620, 75930, 91116, 103771, 113895, 151860, 207542, 227790, 311313, 415084, 455580, 518855, 622626, 933939, 1037710, 1245252, 1556565, 1867878, 2075420, 3113130, 3735756, 4669695, 6226260, 9339390, 18678780]

約数ペア:

[(1, 18678780), (2, 9339390), (3, 6226260), (4, 4669695), (5, 3735756), (6, 3113130), (9, 2075420), (10, 1867878), (12, 1556565), (15, 1245252), (18, 1037710), (20, 933939), (30, 622626), (36, 518855), (41, 455580), (45, 415084), (60, 311313), (82, 227790), (90, 207542), (123, 151860), (164, 113895), (180, 103771), (205, 91116), (246, 75930), (369, 50620), (410, 45558), (492, 37965), (615, 30372), (738, 25310), (820, 22779), (1230, 15186), (1476, 12655), (1845, 10124), (2460, 7593), (2531, 7380), (3690, 5062)]