208173780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1613}}^1$

素因数の和:1870

約数の個数: 96

約数和(自身を含む): 650764800

約数和(自身を除く): 442591020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 239, 270, 478, 540, 717, 956, 1195, 1434, 1613, 2151, 2390, 2868, 3226, 3585, 4302, 4780, 4839, 6452, 6453, 7170, 8065, 8604, 9678, 10755, 12906, 14340, 14517, 16130, 19356, 21510, 24195, 25812, 29034, 32260, 32265, 43020, 43551, 48390, 58068, 64530, 72585, 87102, 96780, 129060, 145170, 174204, 217755, 290340, 385507, 435510, 771014, 871020, 1156521, 1542028, 1927535, 2313042, 3469563, 3855070, 4626084, 5782605, 6939126, 7710140, 10408689, 11565210, 13878252, 17347815, 20817378, 23130420, 34695630, 41634756, 52043445, 69391260, 104086890, 208173780]

約数ペア:

[(1, 208173780), (2, 104086890), (3, 69391260), (4, 52043445), (5, 41634756), (6, 34695630), (9, 23130420), (10, 20817378), (12, 17347815), (15, 13878252), (18, 11565210), (20, 10408689), (27, 7710140), (30, 6939126), (36, 5782605), (45, 4626084), (54, 3855070), (60, 3469563), (90, 2313042), (108, 1927535), (135, 1542028), (180, 1156521), (239, 871020), (270, 771014), (478, 435510), (540, 385507), (717, 290340), (956, 217755), (1195, 174204), (1434, 145170), (1613, 129060), (2151, 96780), (2390, 87102), (2868, 72585), (3226, 64530), (3585, 58068), (4302, 48390), (4780, 43551), (4839, 43020), (6452, 32265), (6453, 32260), (7170, 29034), (8065, 25812), (8604, 24195), (9678, 21510), (10755, 19356), (12906, 16130), (14340, 14517)]