2981765911960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1\times {\mathrm{140221}}^1$

素因数の和:141833

約数の個数: 128

約数和(自身を含む): 7559872819200

約数和(自身を除く): 4578106907240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1559, 1705, 2728, 3118, 3410, 6236, 6820, 7795, 12472, 13640, 15590, 17149, 31180, 34298, 48329, 62360, 68596, 85745, 96658, 137192, 140221, 171490, 193316, 241645, 280442, 342980, 386632, 483290, 531619, 560884, 685960, 701105, 966580, 1063238, 1121768, 1402210, 1542431, 1933160, 2126476, 2658095, 2804420, 3084862, 4252952, 4346851, 5316190, 5608840, 6169724, 7712155, 8693702, 10632380, 12339448, 15424310, 17387404, 21264760, 21734255, 30848620, 34774808, 43468510, 47815361, 61697240, 86937020, 95630722, 173874040, 191261444, 218604539, 239076805, 382522888, 437209078, 478153610, 874418156, 956307220, 1093022695, 1748836312, 1912614440, 2186045390, 2404649929, 4372090780, 4809299858, 6776740709, 8744181560, 9618599716, 12023249645, 13553481418, 19237199432, 24046499290, 27106962836, 33883703545, 48092998580, 54213925672, 67767407090, 74544147799, 96185997160, 135534814180, 149088295598, 271069628360, 298176591196, 372720738995, 596353182392, 745441477990, 1490882955980, 2981765911960]

約数ペア:

[(1, 2981765911960), (2, 1490882955980), (4, 745441477990), (5, 596353182392), (8, 372720738995), (10, 298176591196), (11, 271069628360), (20, 149088295598), (22, 135534814180), (31, 96185997160), (40, 74544147799), (44, 67767407090), (55, 54213925672), (62, 48092998580), (88, 33883703545), (110, 27106962836), (124, 24046499290), (155, 19237199432), (220, 13553481418), (248, 12023249645), (310, 9618599716), (341, 8744181560), (440, 6776740709), (620, 4809299858), (682, 4372090780), (1240, 2404649929), (1364, 2186045390), (1559, 1912614440), (1705, 1748836312), (2728, 1093022695), (3118, 956307220), (3410, 874418156), (6236, 478153610), (6820, 437209078), (7795, 382522888), (12472, 239076805), (13640, 218604539), (15590, 191261444), (17149, 173874040), (31180, 95630722), (34298, 86937020), (48329, 61697240), (62360, 47815361), (68596, 43468510), (85745, 34774808), (96658, 30848620), (137192, 21734255), (140221, 21264760), (171490, 17387404), (193316, 15424310), (241645, 12339448), (280442, 10632380), (342980, 8693702), (386632, 7712155), (483290, 6169724), (531619, 5608840), (560884, 5316190), (685960, 4346851), (701105, 4252952), (966580, 3084862), (1063238, 2804420), (1121768, 2658095), (1402210, 2126476), (1542431, 1933160)]