254378520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64237}}^1$

素因数の和:64265

約数の個数: 96

約数和(自身を含む): 901901520

約数和(自身を除く): 647523000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 64237, 128474, 192711, 256948, 321185, 385422, 513896, 578133, 642370, 706607, 770844, 963555, 1156266, 1284740, 1413214, 1541688, 1927110, 2119821, 2312532, 2569480, 2826428, 2890665, 3533035, 3854220, 4239642, 4625064, 5652856, 5781330, 6359463, 7066070, 7708440, 8479284, 10599105, 11562660, 12718926, 14132140, 16958568, 21198210, 23125320, 25437852, 28264280, 31797315, 42396420, 50875704, 63594630, 84792840, 127189260, 254378520]

約数ペア:

[(1, 254378520), (2, 127189260), (3, 84792840), (4, 63594630), (5, 50875704), (6, 42396420), (8, 31797315), (9, 28264280), (10, 25437852), (11, 23125320), (12, 21198210), (15, 16958568), (18, 14132140), (20, 12718926), (22, 11562660), (24, 10599105), (30, 8479284), (33, 7708440), (36, 7066070), (40, 6359463), (44, 5781330), (45, 5652856), (55, 4625064), (60, 4239642), (66, 3854220), (72, 3533035), (88, 2890665), (90, 2826428), (99, 2569480), (110, 2312532), (120, 2119821), (132, 1927110), (165, 1541688), (180, 1413214), (198, 1284740), (220, 1156266), (264, 963555), (330, 770844), (360, 706607), (396, 642370), (440, 578133), (495, 513896), (660, 385422), (792, 321185), (990, 256948), (1320, 192711), (1980, 128474), (3960, 64237)]