28711260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 92695680

約数和(自身を除く): 63984420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 479, 540, 555, 666, 740, 810, 958, 999, 1110, 1332, 1437, 1620, 1665, 1916, 1998, 2220, 2395, 2874, 2997, 3330, 3996, 4311, 4790, 4995, 5748, 5994, 6660, 7185, 8622, 9580, 9990, 11988, 12933, 14370, 14985, 17244, 17723, 19980, 21555, 25866, 28740, 29970, 35446, 38799, 43110, 51732, 53169, 59940, 64665, 70892, 77598, 86220, 88615, 106338, 129330, 155196, 159507, 177230, 193995, 212676, 258660, 265845, 319014, 354460, 387990, 478521, 531690, 638028, 775980, 797535, 957042, 1063380, 1435563, 1595070, 1914084, 2392605, 2871126, 3190140, 4785210, 5742252, 7177815, 9570420, 14355630, 28711260]

約数ペア:

[(1, 28711260), (2, 14355630), (3, 9570420), (4, 7177815), (5, 5742252), (6, 4785210), (9, 3190140), (10, 2871126), (12, 2392605), (15, 1914084), (18, 1595070), (20, 1435563), (27, 1063380), (30, 957042), (36, 797535), (37, 775980), (45, 638028), (54, 531690), (60, 478521), (74, 387990), (81, 354460), (90, 319014), (108, 265845), (111, 258660), (135, 212676), (148, 193995), (162, 177230), (180, 159507), (185, 155196), (222, 129330), (270, 106338), (324, 88615), (333, 86220), (370, 77598), (405, 70892), (444, 64665), (479, 59940), (540, 53169), (555, 51732), (666, 43110), (740, 38799), (810, 35446), (958, 29970), (999, 28740), (1110, 25866), (1332, 21555), (1437, 19980), (1620, 17723), (1665, 17244), (1916, 14985), (1998, 14370), (2220, 12933), (2395, 11988), (2874, 9990), (2997, 9580), (3330, 8622), (3996, 7185), (4311, 6660), (4790, 5994), (4995, 5748)]