257442120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55009}}^1$

素因数の和:55039

約数の個数: 96

約数和(自身を含む): 901063800

約数和(自身を除く): 643621680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 55009, 110018, 165027, 220036, 275045, 330054, 440072, 495081, 550090, 660108, 715117, 825135, 990162, 1100180, 1320216, 1430234, 1650270, 1980324, 2145351, 2200360, 2475405, 2860468, 3300540, 3575585, 3960648, 4290702, 4950810, 5720936, 6436053, 6601080, 7151170, 8581404, 9901620, 10726755, 12872106, 14302340, 17162808, 19803240, 21453510, 25744212, 28604680, 32180265, 42907020, 51488424, 64360530, 85814040, 128721060, 257442120]

約数ペア:

[(1, 257442120), (2, 128721060), (3, 85814040), (4, 64360530), (5, 51488424), (6, 42907020), (8, 32180265), (9, 28604680), (10, 25744212), (12, 21453510), (13, 19803240), (15, 17162808), (18, 14302340), (20, 12872106), (24, 10726755), (26, 9901620), (30, 8581404), (36, 7151170), (39, 6601080), (40, 6436053), (45, 5720936), (52, 4950810), (60, 4290702), (65, 3960648), (72, 3575585), (78, 3300540), (90, 2860468), (104, 2475405), (117, 2200360), (120, 2145351), (130, 1980324), (156, 1650270), (180, 1430234), (195, 1320216), (234, 1100180), (260, 990162), (312, 825135), (360, 715117), (390, 660108), (468, 550090), (520, 495081), (585, 440072), (780, 330054), (936, 275045), (1170, 220036), (1560, 165027), (2340, 110018), (4680, 55009)]