256732480

素因数分解:

$2^6\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3329}}^1$

素因数の和:3587

約数の個数: 56

約数和(自身を含む): 614065320

約数和(自身を除く): 357332840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 241, 320, 482, 964, 1205, 1928, 2410, 3329, 3856, 4820, 6658, 7712, 9640, 13316, 15424, 16645, 19280, 26632, 33290, 38560, 53264, 66580, 77120, 106528, 133160, 213056, 266320, 532640, 802289, 1065280, 1604578, 3209156, 4011445, 6418312, 8022890, 12836624, 16045780, 25673248, 32091560, 51346496, 64183120, 128366240, 256732480]

約数ペア:

[(1, 256732480), (2, 128366240), (4, 64183120), (5, 51346496), (8, 32091560), (10, 25673248), (16, 16045780), (20, 12836624), (32, 8022890), (40, 6418312), (64, 4011445), (80, 3209156), (160, 1604578), (241, 1065280), (320, 802289), (482, 532640), (964, 266320), (1205, 213056), (1928, 133160), (2410, 106528), (3329, 77120), (3856, 66580), (4820, 53264), (6658, 38560), (7712, 33290), (9640, 26632), (13316, 19280), (15424, 16645)]