221642640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7159}}^1$

素因数の和:7221

約数の個数: 120

約数和(自身を含む): 761766720

約数和(自身を除く): 540124080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 5160, 6192, 7159, 7740, 10320, 14318, 15480, 21477, 28636, 30960, 35795, 42954, 57272, 64431, 71590, 85908, 107385, 114544, 128862, 143180, 171816, 214770, 257724, 286360, 307837, 322155, 343632, 429540, 515448, 572720, 615674, 644310, 859080, 923511, 1030896, 1231348, 1288620, 1539185, 1718160, 1847022, 2462696, 2577240, 2770533, 3078370, 3694044, 4617555, 4925392, 5154480, 5541066, 6156740, 7388088, 9235110, 11082132, 12313480, 13852665, 14776176, 18470220, 22164264, 24626960, 27705330, 36940440, 44328528, 55410660, 73880880, 110821320, 221642640]

約数ペア:

[(1, 221642640), (2, 110821320), (3, 73880880), (4, 55410660), (5, 44328528), (6, 36940440), (8, 27705330), (9, 24626960), (10, 22164264), (12, 18470220), (15, 14776176), (16, 13852665), (18, 12313480), (20, 11082132), (24, 9235110), (30, 7388088), (36, 6156740), (40, 5541066), (43, 5154480), (45, 4925392), (48, 4617555), (60, 3694044), (72, 3078370), (80, 2770533), (86, 2577240), (90, 2462696), (120, 1847022), (129, 1718160), (144, 1539185), (172, 1288620), (180, 1231348), (215, 1030896), (240, 923511), (258, 859080), (344, 644310), (360, 615674), (387, 572720), (430, 515448), (516, 429540), (645, 343632), (688, 322155), (720, 307837), (774, 286360), (860, 257724), (1032, 214770), (1290, 171816), (1548, 143180), (1720, 128862), (1935, 114544), (2064, 107385), (2580, 85908), (3096, 71590), (3440, 64431), (3870, 57272), (5160, 42954), (6192, 35795), (7159, 30960), (7740, 28636), (10320, 21477), (14318, 15480)]