221389440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1810

約数の個数: 128

約数和(自身を含む): 716627520

約数和(自身を除く): 495238080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 268, 320, 335, 384, 402, 480, 536, 640, 670, 804, 960, 1005, 1072, 1340, 1608, 1721, 1920, 2010, 2144, 2680, 3216, 3442, 4020, 4288, 5163, 5360, 6432, 6884, 8040, 8576, 8605, 10326, 10720, 12864, 13768, 16080, 17210, 20652, 21440, 25728, 25815, 27536, 32160, 34420, 41304, 42880, 51630, 55072, 64320, 68840, 82608, 103260, 110144, 115307, 128640, 137680, 165216, 206520, 220288, 230614, 275360, 330432, 345921, 413040, 461228, 550720, 576535, 660864, 691842, 826080, 922456, 1101440, 1153070, 1383684, 1652160, 1729605, 1844912, 2306140, 2767368, 3304320, 3459210, 3689824, 4612280, 5534736, 6918420, 7379648, 9224560, 11069472, 13836840, 14759296, 18449120, 22138944, 27673680, 36898240, 44277888, 55347360, 73796480, 110694720, 221389440]

約数ペア:

[(1, 221389440), (2, 110694720), (3, 73796480), (4, 55347360), (5, 44277888), (6, 36898240), (8, 27673680), (10, 22138944), (12, 18449120), (15, 14759296), (16, 13836840), (20, 11069472), (24, 9224560), (30, 7379648), (32, 6918420), (40, 5534736), (48, 4612280), (60, 3689824), (64, 3459210), (67, 3304320), (80, 2767368), (96, 2306140), (120, 1844912), (128, 1729605), (134, 1652160), (160, 1383684), (192, 1153070), (201, 1101440), (240, 922456), (268, 826080), (320, 691842), (335, 660864), (384, 576535), (402, 550720), (480, 461228), (536, 413040), (640, 345921), (670, 330432), (804, 275360), (960, 230614), (1005, 220288), (1072, 206520), (1340, 165216), (1608, 137680), (1721, 128640), (1920, 115307), (2010, 110144), (2144, 103260), (2680, 82608), (3216, 68840), (3442, 64320), (4020, 55072), (4288, 51630), (5163, 42880), (5360, 41304), (6432, 34420), (6884, 32160), (8040, 27536), (8576, 25815), (8605, 25728), (10326, 21440), (10720, 20652), (12864, 17210), (13768, 16080)]