331376320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2078

約数の個数: 112

約数和(自身を含む): 879579648

約数和(自身を除く): 548203328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 64, 80, 88, 94, 110, 160, 176, 188, 220, 235, 320, 352, 376, 440, 470, 517, 704, 752, 880, 940, 1034, 1504, 1760, 1880, 2003, 2068, 2585, 3008, 3520, 3760, 4006, 4136, 5170, 7520, 8012, 8272, 10015, 10340, 15040, 16024, 16544, 20030, 20680, 22033, 32048, 33088, 40060, 41360, 44066, 64096, 80120, 82720, 88132, 94141, 110165, 128192, 160240, 165440, 176264, 188282, 220330, 320480, 352528, 376564, 440660, 470705, 640960, 705056, 753128, 881320, 941410, 1035551, 1410112, 1506256, 1762640, 1882820, 2071102, 3012512, 3525280, 3765640, 4142204, 5177755, 6025024, 7050560, 7531280, 8284408, 10355510, 15062560, 16568816, 20711020, 30125120, 33137632, 41422040, 66275264, 82844080, 165688160, 331376320]

約数ペア:

[(1, 331376320), (2, 165688160), (4, 82844080), (5, 66275264), (8, 41422040), (10, 33137632), (11, 30125120), (16, 20711020), (20, 16568816), (22, 15062560), (32, 10355510), (40, 8284408), (44, 7531280), (47, 7050560), (55, 6025024), (64, 5177755), (80, 4142204), (88, 3765640), (94, 3525280), (110, 3012512), (160, 2071102), (176, 1882820), (188, 1762640), (220, 1506256), (235, 1410112), (320, 1035551), (352, 941410), (376, 881320), (440, 753128), (470, 705056), (517, 640960), (704, 470705), (752, 440660), (880, 376564), (940, 352528), (1034, 320480), (1504, 220330), (1760, 188282), (1880, 176264), (2003, 165440), (2068, 160240), (2585, 128192), (3008, 110165), (3520, 94141), (3760, 88132), (4006, 82720), (4136, 80120), (5170, 64096), (7520, 44066), (8012, 41360), (8272, 40060), (10015, 33088), (10340, 32048), (15040, 22033), (16024, 20680), (16544, 20030)]