289030720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:708

約数の個数: 112

約数和(自身を含む): 757050048

約数和(自身を除く): 468019328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 157, 160, 176, 220, 314, 320, 352, 440, 523, 628, 704, 785, 880, 1046, 1256, 1570, 1727, 1760, 2092, 2512, 2615, 3140, 3454, 3520, 4184, 5024, 5230, 5753, 6280, 6908, 8368, 8635, 10048, 10460, 11506, 12560, 13816, 16736, 17270, 20920, 23012, 25120, 27632, 28765, 33472, 34540, 41840, 46024, 50240, 55264, 57530, 69080, 82111, 83680, 92048, 110528, 115060, 138160, 164222, 167360, 184096, 230120, 276320, 328444, 368192, 410555, 460240, 552640, 656888, 821110, 903221, 920480, 1313776, 1642220, 1806442, 1840960, 2627552, 3284440, 3612884, 4516105, 5255104, 6568880, 7225768, 9032210, 13137760, 14451536, 18064420, 26275520, 28903072, 36128840, 57806144, 72257680, 144515360, 289030720]

約数ペア:

[(1, 289030720), (2, 144515360), (4, 72257680), (5, 57806144), (8, 36128840), (10, 28903072), (11, 26275520), (16, 18064420), (20, 14451536), (22, 13137760), (32, 9032210), (40, 7225768), (44, 6568880), (55, 5255104), (64, 4516105), (80, 3612884), (88, 3284440), (110, 2627552), (157, 1840960), (160, 1806442), (176, 1642220), (220, 1313776), (314, 920480), (320, 903221), (352, 821110), (440, 656888), (523, 552640), (628, 460240), (704, 410555), (785, 368192), (880, 328444), (1046, 276320), (1256, 230120), (1570, 184096), (1727, 167360), (1760, 164222), (2092, 138160), (2512, 115060), (2615, 110528), (3140, 92048), (3454, 83680), (3520, 82111), (4184, 69080), (5024, 57530), (5230, 55264), (5753, 50240), (6280, 46024), (6908, 41840), (8368, 34540), (8635, 33472), (10048, 28765), (10460, 27632), (11506, 25120), (12560, 23012), (13816, 20920), (16736, 17270)]