245719680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127979}}^1$

素因数の和:128001

約数の個数: 64

約数和(自身を含む): 783237600

約数和(自身を除く): 537517920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 127979, 255958, 383937, 511916, 639895, 767874, 1023832, 1279790, 1535748, 1919685, 2047664, 2559580, 3071496, 3839370, 4095328, 5119160, 6142992, 7678740, 8190656, 10238320, 12285984, 15357480, 16381312, 20476640, 24571968, 30714960, 40953280, 49143936, 61429920, 81906560, 122859840, 245719680]

約数ペア:

[(1, 245719680), (2, 122859840), (3, 81906560), (4, 61429920), (5, 49143936), (6, 40953280), (8, 30714960), (10, 24571968), (12, 20476640), (15, 16381312), (16, 15357480), (20, 12285984), (24, 10238320), (30, 8190656), (32, 7678740), (40, 6142992), (48, 5119160), (60, 4095328), (64, 3839370), (80, 3071496), (96, 2559580), (120, 2047664), (128, 1919685), (160, 1535748), (192, 1279790), (240, 1023832), (320, 767874), (384, 639895), (480, 511916), (640, 383937), (960, 255958), (1920, 127979)]