731428720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{28661}}^1$

素因数の和:28714

約数の個数: 80

約数和(自身を含む): 1919207520

約数和(自身を除く): 1187778800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3190, 5104, 6380, 12760, 25520, 28661, 57322, 114644, 143305, 229288, 286610, 315271, 458576, 573220, 630542, 831169, 1146440, 1261084, 1576355, 1662338, 2292880, 2522168, 3152710, 3324676, 4155845, 5044336, 6305420, 6649352, 8311690, 9142859, 12610840, 13298704, 16623380, 18285718, 25221680, 33246760, 36571436, 45714295, 66493520, 73142872, 91428590, 146285744, 182857180, 365714360, 731428720]

約数ペア:

[(1, 731428720), (2, 365714360), (4, 182857180), (5, 146285744), (8, 91428590), (10, 73142872), (11, 66493520), (16, 45714295), (20, 36571436), (22, 33246760), (29, 25221680), (40, 18285718), (44, 16623380), (55, 13298704), (58, 12610840), (80, 9142859), (88, 8311690), (110, 6649352), (116, 6305420), (145, 5044336), (176, 4155845), (220, 3324676), (232, 3152710), (290, 2522168), (319, 2292880), (440, 1662338), (464, 1576355), (580, 1261084), (638, 1146440), (880, 831169), (1160, 630542), (1276, 573220), (1595, 458576), (2320, 315271), (2552, 286610), (3190, 229288), (5104, 143305), (6380, 114644), (12760, 57322), (25520, 28661)]