256343760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12277}}^1$

素因数の和:12325

約数の個数: 120

約数和(自身を含む): 890646120

約数和(自身を除く): 634302360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 4176, 5220, 6960, 10440, 12277, 20880, 24554, 36831, 49108, 61385, 73662, 98216, 110493, 122770, 147324, 184155, 196432, 220986, 245540, 294648, 356033, 368310, 441972, 491080, 552465, 589296, 712066, 736620, 883944, 982160, 1068099, 1104930, 1424132, 1473240, 1767888, 1780165, 2136198, 2209860, 2848264, 2946480, 3204297, 3560330, 4272396, 4419720, 5340495, 5696528, 6408594, 7120660, 8544792, 8839440, 10680990, 12817188, 14241320, 16021485, 17089584, 21361980, 25634376, 28482640, 32042970, 42723960, 51268752, 64085940, 85447920, 128171880, 256343760]

約数ペア:

[(1, 256343760), (2, 128171880), (3, 85447920), (4, 64085940), (5, 51268752), (6, 42723960), (8, 32042970), (9, 28482640), (10, 25634376), (12, 21361980), (15, 17089584), (16, 16021485), (18, 14241320), (20, 12817188), (24, 10680990), (29, 8839440), (30, 8544792), (36, 7120660), (40, 6408594), (45, 5696528), (48, 5340495), (58, 4419720), (60, 4272396), (72, 3560330), (80, 3204297), (87, 2946480), (90, 2848264), (116, 2209860), (120, 2136198), (144, 1780165), (145, 1767888), (174, 1473240), (180, 1424132), (232, 1104930), (240, 1068099), (261, 982160), (290, 883944), (348, 736620), (360, 712066), (435, 589296), (464, 552465), (522, 491080), (580, 441972), (696, 368310), (720, 356033), (870, 294648), (1044, 245540), (1160, 220986), (1305, 196432), (1392, 184155), (1740, 147324), (2088, 122770), (2320, 110493), (2610, 98216), (3480, 73662), (4176, 61385), (5220, 49108), (6960, 36831), (10440, 24554), (12277, 20880)]