256189680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{355819}}^1$

素因数の和:355838

約数の個数: 60

約数和(自身を含む): 860372760

約数和(自身を除く): 604183080

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, 355819, 711638, 1067457, 1423276, 1779095, 2134914, 2846552, 3202371, 3558190, 4269828, 5337285, 5693104, 6404742, 7116380, 8539656, 10674570, 12809484, 14232760, 16011855, 17079312, 21349140, 25618968, 28465520, 32023710, 42698280, 51237936, 64047420, 85396560, 128094840, 256189680]

約数ペア:

[(1, 256189680), (2, 128094840), (3, 85396560), (4, 64047420), (5, 51237936), (6, 42698280), (8, 32023710), (9, 28465520), (10, 25618968), (12, 21349140), (15, 17079312), (16, 16011855), (18, 14232760), (20, 12809484), (24, 10674570), (30, 8539656), (36, 7116380), (40, 6404742), (45, 5693104), (48, 5337285), (60, 4269828), (72, 3558190), (80, 3202371), (90, 2846552), (120, 2134914), (144, 1779095), (180, 1423276), (240, 1067457), (360, 711638), (720, 355819)]