256276080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{355939}}^1$

素因数の和:355958

約数の個数: 60

約数和(自身を含む): 860662920

約数和(自身を除く): 604386840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 355939, 711878, 1067817, 1423756, 1779695, 2135634, 2847512, 3203451, 3559390, 4271268, 5339085, 5695024, 6406902, 7118780, 8542536, 10678170, 12813804, 14237560, 16017255, 17085072, 21356340, 25627608, 28475120, 32034510, 42712680, 51255216, 64069020, 85425360, 128138040, 256276080]

約数ペア:

[(1, 256276080), (2, 128138040), (3, 85425360), (4, 64069020), (5, 51255216), (6, 42712680), (8, 32034510), (9, 28475120), (10, 25627608), (12, 21356340), (15, 17085072), (16, 16017255), (18, 14237560), (20, 12813804), (24, 10678170), (30, 8542536), (36, 7118780), (40, 6406902), (45, 5695024), (48, 5339085), (60, 4271268), (72, 3559390), (80, 3203451), (90, 2847512), (120, 2135634), (144, 1779695), (180, 1423756), (240, 1067817), (360, 711878), (720, 355939)]