257375160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1070

約数の個数: 192

約数和(自身を含む): 965764800

約数和(自身を除く): 708389640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 109, 120, 126, 140, 168, 180, 210, 218, 252, 280, 315, 327, 360, 420, 436, 504, 545, 630, 654, 763, 840, 872, 937, 981, 1090, 1260, 1308, 1526, 1635, 1874, 1962, 2180, 2289, 2520, 2616, 2811, 3052, 3270, 3748, 3815, 3924, 4360, 4578, 4685, 4905, 5622, 6104, 6540, 6559, 6867, 7496, 7630, 7848, 8433, 9156, 9370, 9810, 11244, 11445, 13080, 13118, 13734, 14055, 15260, 16866, 18312, 18740, 19620, 19677, 22488, 22890, 26236, 27468, 28110, 30520, 32795, 33732, 34335, 37480, 39240, 39354, 42165, 45780, 52472, 54936, 56220, 59031, 65590, 67464, 68670, 78708, 84330, 91560, 98385, 102133, 112440, 118062, 131180, 137340, 157416, 168660, 196770, 204266, 236124, 262360, 274680, 295155, 306399, 337320, 393540, 408532, 472248, 510665, 590310, 612798, 714931, 787080, 817064, 919197, 1021330, 1180620, 1225596, 1429862, 1531995, 1838394, 2042660, 2144793, 2361240, 2451192, 2859724, 3063990, 3574655, 3676788, 4085320, 4289586, 4595985, 5719448, 6127980, 6434379, 7149310, 7353576, 8579172, 9191970, 10723965, 12255960, 12868758, 14298620, 17158344, 18383940, 21447930, 25737516, 28597240, 32171895, 36767880, 42895860, 51475032, 64343790, 85791720, 128687580, 257375160]

約数ペア:

[(1, 257375160), (2, 128687580), (3, 85791720), (4, 64343790), (5, 51475032), (6, 42895860), (7, 36767880), (8, 32171895), (9, 28597240), (10, 25737516), (12, 21447930), (14, 18383940), (15, 17158344), (18, 14298620), (20, 12868758), (21, 12255960), (24, 10723965), (28, 9191970), (30, 8579172), (35, 7353576), (36, 7149310), (40, 6434379), (42, 6127980), (45, 5719448), (56, 4595985), (60, 4289586), (63, 4085320), (70, 3676788), (72, 3574655), (84, 3063990), (90, 2859724), (105, 2451192), (109, 2361240), (120, 2144793), (126, 2042660), (140, 1838394), (168, 1531995), (180, 1429862), (210, 1225596), (218, 1180620), (252, 1021330), (280, 919197), (315, 817064), (327, 787080), (360, 714931), (420, 612798), (436, 590310), (504, 510665), (545, 472248), (630, 408532), (654, 393540), (763, 337320), (840, 306399), (872, 295155), (937, 274680), (981, 262360), (1090, 236124), (1260, 204266), (1308, 196770), (1526, 168660), (1635, 157416), (1874, 137340), (1962, 131180), (2180, 118062), (2289, 112440), (2520, 102133), (2616, 98385), (2811, 91560), (3052, 84330), (3270, 78708), (3748, 68670), (3815, 67464), (3924, 65590), (4360, 59031), (4578, 56220), (4685, 54936), (4905, 52472), (5622, 45780), (6104, 42165), (6540, 39354), (6559, 39240), (6867, 37480), (7496, 34335), (7630, 33732), (7848, 32795), (8433, 30520), (9156, 28110), (9370, 27468), (9810, 26236), (11244, 22890), (11445, 22488), (13080, 19677), (13118, 19620), (13734, 18740), (14055, 18312), (15260, 16866)]