256493520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{118747}}^1$

素因数の和:118769

約数の個数: 80

約数和(自身を含む): 883485120

約数和(自身を除く): 626991600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 118747, 237494, 356241, 474988, 593735, 712482, 949976, 1068723, 1187470, 1424964, 1781205, 1899952, 2137446, 2374940, 2849928, 3206169, 3562410, 4274892, 4749880, 5343615, 5699856, 6412338, 7124820, 8549784, 9499760, 10687230, 12824676, 14249640, 16030845, 17099568, 21374460, 25649352, 28499280, 32061690, 42748920, 51298704, 64123380, 85497840, 128246760, 256493520]

約数ペア:

[(1, 256493520), (2, 128246760), (3, 85497840), (4, 64123380), (5, 51298704), (6, 42748920), (8, 32061690), (9, 28499280), (10, 25649352), (12, 21374460), (15, 17099568), (16, 16030845), (18, 14249640), (20, 12824676), (24, 10687230), (27, 9499760), (30, 8549784), (36, 7124820), (40, 6412338), (45, 5699856), (48, 5343615), (54, 4749880), (60, 4274892), (72, 3562410), (80, 3206169), (90, 2849928), (108, 2374940), (120, 2137446), (135, 1899952), (144, 1781205), (180, 1424964), (216, 1187470), (240, 1068723), (270, 949976), (360, 712482), (432, 593735), (540, 474988), (720, 356241), (1080, 237494), (2160, 118747)]