257915340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53069}}^1$

素因数の和:53093

約数の個数: 72

約数和(自身を含む): 811334160

約数和(自身を除く): 553418820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 53069, 106138, 159207, 212276, 265345, 318414, 477621, 530690, 636828, 796035, 955242, 1061380, 1432863, 1592070, 1910484, 2388105, 2865726, 3184140, 4298589, 4776210, 5731452, 7164315, 8597178, 9552420, 12895767, 14328630, 17194356, 21492945, 25791534, 28657260, 42985890, 51583068, 64478835, 85971780, 128957670, 257915340]

約数ペア:

[(1, 257915340), (2, 128957670), (3, 85971780), (4, 64478835), (5, 51583068), (6, 42985890), (9, 28657260), (10, 25791534), (12, 21492945), (15, 17194356), (18, 14328630), (20, 12895767), (27, 9552420), (30, 8597178), (36, 7164315), (45, 5731452), (54, 4776210), (60, 4298589), (81, 3184140), (90, 2865726), (108, 2388105), (135, 1910484), (162, 1592070), (180, 1432863), (243, 1061380), (270, 955242), (324, 796035), (405, 636828), (486, 530690), (540, 477621), (810, 318414), (972, 265345), (1215, 212276), (1620, 159207), (2430, 106138), (4860, 53069)]