81299760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11681}}^1$

素因数の和:11726

約数の個数: 80

約数和(自身を含む): 260742240

約数和(自身を除く): 179442480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 11681, 23362, 35043, 46724, 58405, 70086, 93448, 116810, 140172, 175215, 186896, 233620, 280344, 338749, 350430, 467240, 560688, 677498, 700860, 934480, 1016247, 1354996, 1401720, 1693745, 2032494, 2709992, 2803440, 3387490, 4064988, 5081235, 5419984, 6774980, 8129976, 10162470, 13549960, 16259952, 20324940, 27099920, 40649880, 81299760]

約数ペア:

[(1, 81299760), (2, 40649880), (3, 27099920), (4, 20324940), (5, 16259952), (6, 13549960), (8, 10162470), (10, 8129976), (12, 6774980), (15, 5419984), (16, 5081235), (20, 4064988), (24, 3387490), (29, 2803440), (30, 2709992), (40, 2032494), (48, 1693745), (58, 1401720), (60, 1354996), (80, 1016247), (87, 934480), (116, 700860), (120, 677498), (145, 560688), (174, 467240), (232, 350430), (240, 338749), (290, 280344), (348, 233620), (435, 186896), (464, 175215), (580, 140172), (696, 116810), (870, 93448), (1160, 70086), (1392, 58405), (1740, 46724), (2320, 35043), (3480, 23362), (6960, 11681)]