393999720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 1207664640

約数和(自身を除く): 813664920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 127, 206, 251, 254, 309, 381, 412, 502, 508, 515, 618, 635, 753, 762, 824, 1004, 1016, 1030, 1236, 1255, 1270, 1506, 1524, 1545, 1905, 2008, 2060, 2472, 2510, 2540, 3012, 3048, 3090, 3765, 3810, 4120, 5020, 5080, 6024, 6180, 7530, 7620, 10040, 12360, 13081, 15060, 15240, 25853, 26162, 30120, 31877, 39243, 51706, 52324, 63754, 65405, 77559, 78486, 95631, 103412, 104648, 127508, 129265, 130810, 155118, 156972, 159385, 191262, 196215, 206824, 255016, 258530, 261620, 310236, 313944, 318770, 382524, 387795, 392430, 478155, 517060, 523240, 620472, 637540, 765048, 775590, 784860, 956310, 1034120, 1275080, 1551180, 1569720, 1912620, 3102360, 3283331, 3825240, 6566662, 9849993, 13133324, 16416655, 19699986, 26266648, 32833310, 39399972, 49249965, 65666620, 78799944, 98499930, 131333240, 196999860, 393999720]

約数ペア:

[(1, 393999720), (2, 196999860), (3, 131333240), (4, 98499930), (5, 78799944), (6, 65666620), (8, 49249965), (10, 39399972), (12, 32833310), (15, 26266648), (20, 19699986), (24, 16416655), (30, 13133324), (40, 9849993), (60, 6566662), (103, 3825240), (120, 3283331), (127, 3102360), (206, 1912620), (251, 1569720), (254, 1551180), (309, 1275080), (381, 1034120), (412, 956310), (502, 784860), (508, 775590), (515, 765048), (618, 637540), (635, 620472), (753, 523240), (762, 517060), (824, 478155), (1004, 392430), (1016, 387795), (1030, 382524), (1236, 318770), (1255, 313944), (1270, 310236), (1506, 261620), (1524, 258530), (1545, 255016), (1905, 206824), (2008, 196215), (2060, 191262), (2472, 159385), (2510, 156972), (2540, 155118), (3012, 130810), (3048, 129265), (3090, 127508), (3765, 104648), (3810, 103412), (4120, 95631), (5020, 78486), (5080, 77559), (6024, 65405), (6180, 63754), (7530, 52324), (7620, 51706), (10040, 39243), (12360, 31877), (13081, 30120), (15060, 26162), (15240, 25853)]