12811620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 38304000

約数和(自身を除く): 25492380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 199, 222, 290, 348, 370, 398, 435, 444, 555, 580, 597, 740, 796, 870, 995, 1073, 1110, 1194, 1740, 1990, 2146, 2220, 2388, 2985, 3219, 3980, 4292, 5365, 5771, 5970, 6438, 7363, 10730, 11542, 11940, 12876, 14726, 16095, 17313, 21460, 22089, 23084, 28855, 29452, 32190, 34626, 36815, 44178, 57710, 64380, 69252, 73630, 86565, 88356, 110445, 115420, 147260, 173130, 213527, 220890, 346260, 427054, 441780, 640581, 854108, 1067635, 1281162, 2135270, 2562324, 3202905, 4270540, 6405810, 12811620]

約数ペア:

[(1, 12811620), (2, 6405810), (3, 4270540), (4, 3202905), (5, 2562324), (6, 2135270), (10, 1281162), (12, 1067635), (15, 854108), (20, 640581), (29, 441780), (30, 427054), (37, 346260), (58, 220890), (60, 213527), (74, 173130), (87, 147260), (111, 115420), (116, 110445), (145, 88356), (148, 86565), (174, 73630), (185, 69252), (199, 64380), (222, 57710), (290, 44178), (348, 36815), (370, 34626), (398, 32190), (435, 29452), (444, 28855), (555, 23084), (580, 22089), (597, 21460), (740, 17313), (796, 16095), (870, 14726), (995, 12876), (1073, 11940), (1110, 11542), (1194, 10730), (1740, 7363), (1990, 6438), (2146, 5970), (2220, 5771), (2388, 5365), (2985, 4292), (3219, 3980)]