80515600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 218646720

約数和(自身を除く): 138131120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 40, 44, 50, 55, 58, 80, 88, 100, 110, 116, 145, 176, 200, 220, 232, 275, 290, 319, 400, 440, 464, 550, 580, 631, 638, 725, 880, 1100, 1160, 1262, 1276, 1450, 1595, 2200, 2320, 2524, 2552, 2900, 3155, 3190, 4400, 5048, 5104, 5800, 6310, 6380, 6941, 7975, 10096, 11600, 12620, 12760, 13882, 15775, 15950, 18299, 25240, 25520, 27764, 31550, 31900, 34705, 36598, 50480, 55528, 63100, 63800, 69410, 73196, 91495, 111056, 126200, 127600, 138820, 146392, 173525, 182990, 201289, 252400, 277640, 292784, 347050, 365980, 402578, 457475, 555280, 694100, 731960, 805156, 914950, 1006445, 1388200, 1463920, 1610312, 1829900, 2012890, 2776400, 3220624, 3659800, 4025780, 5032225, 7319600, 8051560, 10064450, 16103120, 20128900, 40257800, 80515600]

約数ペア:

[(1, 80515600), (2, 40257800), (4, 20128900), (5, 16103120), (8, 10064450), (10, 8051560), (11, 7319600), (16, 5032225), (20, 4025780), (22, 3659800), (25, 3220624), (29, 2776400), (40, 2012890), (44, 1829900), (50, 1610312), (55, 1463920), (58, 1388200), (80, 1006445), (88, 914950), (100, 805156), (110, 731960), (116, 694100), (145, 555280), (176, 457475), (200, 402578), (220, 365980), (232, 347050), (275, 292784), (290, 277640), (319, 252400), (400, 201289), (440, 182990), (464, 173525), (550, 146392), (580, 138820), (631, 127600), (638, 126200), (725, 111056), (880, 91495), (1100, 73196), (1160, 69410), (1262, 63800), (1276, 63100), (1450, 55528), (1595, 50480), (2200, 36598), (2320, 34705), (2524, 31900), (2552, 31550), (2900, 27764), (3155, 25520), (3190, 25240), (4400, 18299), (5048, 15950), (5104, 15775), (5800, 13882), (6310, 12760), (6380, 12620), (6941, 11600), (7975, 10096)]