28713480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 91929600

約数和(自身を除く): 63216120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 223, 232, 290, 296, 348, 370, 435, 444, 446, 555, 580, 669, 696, 740, 870, 888, 892, 1073, 1110, 1115, 1160, 1338, 1480, 1740, 1784, 2146, 2220, 2230, 2676, 3219, 3345, 3480, 4292, 4440, 4460, 5352, 5365, 6438, 6467, 6690, 8251, 8584, 8920, 10730, 12876, 12934, 13380, 16095, 16502, 19401, 21460, 24753, 25752, 25868, 26760, 32190, 32335, 33004, 38802, 41255, 42920, 49506, 51736, 64380, 64670, 66008, 77604, 82510, 97005, 99012, 123765, 128760, 129340, 155208, 165020, 194010, 198024, 239279, 247530, 258680, 330040, 388020, 478558, 495060, 717837, 776040, 957116, 990120, 1196395, 1435674, 1914232, 2392790, 2871348, 3589185, 4785580, 5742696, 7178370, 9571160, 14356740, 28713480]

約数ペア:

[(1, 28713480), (2, 14356740), (3, 9571160), (4, 7178370), (5, 5742696), (6, 4785580), (8, 3589185), (10, 2871348), (12, 2392790), (15, 1914232), (20, 1435674), (24, 1196395), (29, 990120), (30, 957116), (37, 776040), (40, 717837), (58, 495060), (60, 478558), (74, 388020), (87, 330040), (111, 258680), (116, 247530), (120, 239279), (145, 198024), (148, 194010), (174, 165020), (185, 155208), (222, 129340), (223, 128760), (232, 123765), (290, 99012), (296, 97005), (348, 82510), (370, 77604), (435, 66008), (444, 64670), (446, 64380), (555, 51736), (580, 49506), (669, 42920), (696, 41255), (740, 38802), (870, 33004), (888, 32335), (892, 32190), (1073, 26760), (1110, 25868), (1115, 25752), (1160, 24753), (1338, 21460), (1480, 19401), (1740, 16502), (1784, 16095), (2146, 13380), (2220, 12934), (2230, 12876), (2676, 10730), (3219, 8920), (3345, 8584), (3480, 8251), (4292, 6690), (4440, 6467), (4460, 6438), (5352, 5365)]