256723560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{237707}}^1$

素因数の和:237727

約数の個数: 64

約数和(自身を含む): 855748800

約数和(自身を除く): 599025240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 237707, 475414, 713121, 950828, 1188535, 1426242, 1901656, 2139363, 2377070, 2852484, 3565605, 4278726, 4754140, 5704968, 6418089, 7131210, 8557452, 9508280, 10696815, 12836178, 14262420, 17114904, 21393630, 25672356, 28524840, 32090445, 42787260, 51344712, 64180890, 85574520, 128361780, 256723560]

約数ペア:

[(1, 256723560), (2, 128361780), (3, 85574520), (4, 64180890), (5, 51344712), (6, 42787260), (8, 32090445), (9, 28524840), (10, 25672356), (12, 21393630), (15, 17114904), (18, 14262420), (20, 12836178), (24, 10696815), (27, 9508280), (30, 8557452), (36, 7131210), (40, 6418089), (45, 5704968), (54, 4754140), (60, 4278726), (72, 3565605), (90, 2852484), (108, 2377070), (120, 2139363), (135, 1901656), (180, 1426242), (216, 1188535), (270, 950828), (360, 713121), (540, 475414), (1080, 237707)]