128212480

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 349129440

約数和(自身を除く): 220916960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 80, 88, 110, 116, 128, 145, 157, 160, 176, 220, 232, 256, 290, 314, 319, 320, 352, 440, 464, 512, 580, 628, 638, 640, 704, 785, 880, 928, 1160, 1256, 1276, 1280, 1408, 1570, 1595, 1727, 1760, 1856, 2320, 2512, 2552, 2560, 2816, 3140, 3190, 3454, 3520, 3712, 4553, 4640, 5024, 5104, 5632, 6280, 6380, 6908, 7040, 7424, 8635, 9106, 9280, 10048, 10208, 12560, 12760, 13816, 14080, 14848, 17270, 18212, 18560, 20096, 20416, 22765, 25120, 25520, 27632, 28160, 34540, 36424, 37120, 40192, 40832, 45530, 50083, 50240, 51040, 55264, 69080, 72848, 74240, 80384, 81664, 91060, 100166, 100480, 102080, 110528, 138160, 145696, 163328, 182120, 200332, 200960, 204160, 221056, 250415, 276320, 291392, 364240, 400664, 401920, 408320, 442112, 500830, 552640, 582784, 728480, 801328, 816640, 884224, 1001660, 1105280, 1165568, 1456960, 1602656, 2003320, 2210560, 2331136, 2913920, 3205312, 4006640, 4421120, 5827840, 6410624, 8013280, 11655680, 12821248, 16026560, 25642496, 32053120, 64106240, 128212480]

約数ペア:

[(1, 128212480), (2, 64106240), (4, 32053120), (5, 25642496), (8, 16026560), (10, 12821248), (11, 11655680), (16, 8013280), (20, 6410624), (22, 5827840), (29, 4421120), (32, 4006640), (40, 3205312), (44, 2913920), (55, 2331136), (58, 2210560), (64, 2003320), (80, 1602656), (88, 1456960), (110, 1165568), (116, 1105280), (128, 1001660), (145, 884224), (157, 816640), (160, 801328), (176, 728480), (220, 582784), (232, 552640), (256, 500830), (290, 442112), (314, 408320), (319, 401920), (320, 400664), (352, 364240), (440, 291392), (464, 276320), (512, 250415), (580, 221056), (628, 204160), (638, 200960), (640, 200332), (704, 182120), (785, 163328), (880, 145696), (928, 138160), (1160, 110528), (1256, 102080), (1276, 100480), (1280, 100166), (1408, 91060), (1570, 81664), (1595, 80384), (1727, 74240), (1760, 72848), (1856, 69080), (2320, 55264), (2512, 51040), (2552, 50240), (2560, 50083), (2816, 45530), (3140, 40832), (3190, 40192), (3454, 37120), (3520, 36424), (3712, 34540), (4553, 28160), (4640, 27632), (5024, 25520), (5104, 25120), (5632, 22765), (6280, 20416), (6380, 20096), (6908, 18560), (7040, 18212), (7424, 17270), (8635, 14848), (9106, 14080), (9280, 13816), (10048, 12760), (10208, 12560)]