210813720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 684815040

約数和(自身を除く): 474001320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 337, 390, 401, 520, 674, 780, 802, 1011, 1203, 1348, 1560, 1604, 1685, 2005, 2022, 2406, 2696, 3208, 3370, 4010, 4044, 4381, 4812, 5055, 5213, 6015, 6740, 8020, 8088, 8762, 9624, 10110, 10426, 12030, 13143, 13480, 15639, 16040, 17524, 20220, 20852, 21905, 24060, 26065, 26286, 31278, 35048, 40440, 41704, 43810, 48120, 52130, 52572, 62556, 65715, 78195, 87620, 104260, 105144, 125112, 131430, 135137, 156390, 175240, 208520, 262860, 270274, 312780, 405411, 525720, 540548, 625560, 675685, 810822, 1081096, 1351370, 1621644, 1756781, 2027055, 2702740, 3243288, 3513562, 4054110, 5270343, 5405480, 7027124, 8108220, 8783905, 10540686, 14054248, 16216440, 17567810, 21081372, 26351715, 35135620, 42162744, 52703430, 70271240, 105406860, 210813720]

約数ペア:

[(1, 210813720), (2, 105406860), (3, 70271240), (4, 52703430), (5, 42162744), (6, 35135620), (8, 26351715), (10, 21081372), (12, 17567810), (13, 16216440), (15, 14054248), (20, 10540686), (24, 8783905), (26, 8108220), (30, 7027124), (39, 5405480), (40, 5270343), (52, 4054110), (60, 3513562), (65, 3243288), (78, 2702740), (104, 2027055), (120, 1756781), (130, 1621644), (156, 1351370), (195, 1081096), (260, 810822), (312, 675685), (337, 625560), (390, 540548), (401, 525720), (520, 405411), (674, 312780), (780, 270274), (802, 262860), (1011, 208520), (1203, 175240), (1348, 156390), (1560, 135137), (1604, 131430), (1685, 125112), (2005, 105144), (2022, 104260), (2406, 87620), (2696, 78195), (3208, 65715), (3370, 62556), (4010, 52572), (4044, 52130), (4381, 48120), (4812, 43810), (5055, 41704), (5213, 40440), (6015, 35048), (6740, 31278), (8020, 26286), (8088, 26065), (8762, 24060), (9624, 21905), (10110, 20852), (10426, 20220), (12030, 17524), (13143, 16040), (13480, 15639)]