28046480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 84637440

約数和(自身を除く): 56590960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 80, 88, 110, 112, 116, 140, 145, 154, 157, 176, 203, 220, 232, 280, 290, 308, 314, 319, 385, 406, 440, 464, 560, 580, 616, 628, 638, 770, 785, 812, 880, 1015, 1099, 1160, 1232, 1256, 1276, 1540, 1570, 1595, 1624, 1727, 2030, 2198, 2233, 2320, 2512, 2552, 3080, 3140, 3190, 3248, 3454, 4060, 4396, 4466, 4553, 5104, 5495, 6160, 6280, 6380, 6908, 8120, 8635, 8792, 8932, 9106, 10990, 11165, 12089, 12560, 12760, 13816, 16240, 17270, 17584, 17864, 18212, 21980, 22330, 22765, 24178, 25520, 27632, 31871, 34540, 35728, 36424, 43960, 44660, 45530, 48356, 50083, 60445, 63742, 69080, 72848, 87920, 89320, 91060, 96712, 100166, 120890, 127484, 138160, 159355, 178640, 182120, 193424, 200332, 241780, 250415, 254968, 318710, 350581, 364240, 400664, 483560, 500830, 509936, 637420, 701162, 801328, 967120, 1001660, 1274840, 1402324, 1752905, 2003320, 2549680, 2804648, 3505810, 4006640, 5609296, 7011620, 14023240, 28046480]

約数ペア:

[(1, 28046480), (2, 14023240), (4, 7011620), (5, 5609296), (7, 4006640), (8, 3505810), (10, 2804648), (11, 2549680), (14, 2003320), (16, 1752905), (20, 1402324), (22, 1274840), (28, 1001660), (29, 967120), (35, 801328), (40, 701162), (44, 637420), (55, 509936), (56, 500830), (58, 483560), (70, 400664), (77, 364240), (80, 350581), (88, 318710), (110, 254968), (112, 250415), (116, 241780), (140, 200332), (145, 193424), (154, 182120), (157, 178640), (176, 159355), (203, 138160), (220, 127484), (232, 120890), (280, 100166), (290, 96712), (308, 91060), (314, 89320), (319, 87920), (385, 72848), (406, 69080), (440, 63742), (464, 60445), (560, 50083), (580, 48356), (616, 45530), (628, 44660), (638, 43960), (770, 36424), (785, 35728), (812, 34540), (880, 31871), (1015, 27632), (1099, 25520), (1160, 24178), (1232, 22765), (1256, 22330), (1276, 21980), (1540, 18212), (1570, 17864), (1595, 17584), (1624, 17270), (1727, 16240), (2030, 13816), (2198, 12760), (2233, 12560), (2320, 12089), (2512, 11165), (2552, 10990), (3080, 9106), (3140, 8932), (3190, 8792), (3248, 8635), (3454, 8120), (4060, 6908), (4396, 6380), (4466, 6280), (4553, 6160), (5104, 5495)]