51331680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:893

約数の個数: 144

約数和(自身を含む): 179459280

約数和(自身を除く): 128127600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 829, 860, 1032, 1290, 1376, 1440, 1548, 1658, 1720, 1935, 2064, 2487, 2580, 3096, 3316, 3440, 3870, 4128, 4145, 4974, 5160, 6192, 6632, 6880, 7461, 7740, 8290, 9948, 10320, 12384, 12435, 13264, 14922, 15480, 16580, 19896, 20640, 24870, 26528, 29844, 30960, 33160, 35647, 37305, 39792, 49740, 59688, 61920, 66320, 71294, 74610, 79584, 99480, 106941, 119376, 132640, 142588, 149220, 178235, 198960, 213882, 238752, 285176, 298440, 320823, 356470, 397920, 427764, 534705, 570352, 596880, 641646, 712940, 855528, 1069410, 1140704, 1193760, 1283292, 1425880, 1604115, 1711056, 2138820, 2566584, 2851760, 3208230, 3422112, 4277640, 5133168, 5703520, 6416460, 8555280, 10266336, 12832920, 17110560, 25665840, 51331680]

約数ペア:

[(1, 51331680), (2, 25665840), (3, 17110560), (4, 12832920), (5, 10266336), (6, 8555280), (8, 6416460), (9, 5703520), (10, 5133168), (12, 4277640), (15, 3422112), (16, 3208230), (18, 2851760), (20, 2566584), (24, 2138820), (30, 1711056), (32, 1604115), (36, 1425880), (40, 1283292), (43, 1193760), (45, 1140704), (48, 1069410), (60, 855528), (72, 712940), (80, 641646), (86, 596880), (90, 570352), (96, 534705), (120, 427764), (129, 397920), (144, 356470), (160, 320823), (172, 298440), (180, 285176), (215, 238752), (240, 213882), (258, 198960), (288, 178235), (344, 149220), (360, 142588), (387, 132640), (430, 119376), (480, 106941), (516, 99480), (645, 79584), (688, 74610), (720, 71294), (774, 66320), (829, 61920), (860, 59688), (1032, 49740), (1290, 39792), (1376, 37305), (1440, 35647), (1548, 33160), (1658, 30960), (1720, 29844), (1935, 26528), (2064, 24870), (2487, 20640), (2580, 19896), (3096, 16580), (3316, 15480), (3440, 14922), (3870, 13264), (4128, 12435), (4145, 12384), (4974, 10320), (5160, 9948), (6192, 8290), (6632, 7740), (6880, 7461)]