79882880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1658

約数の個数: 128

約数和(自身を含む): 238239360

約数和(自身を除く): 158356480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1621, 1760, 2240, 2464, 3080, 3242, 3520, 4480, 4928, 6160, 6484, 7040, 8105, 9856, 11347, 12320, 12968, 16210, 17831, 22694, 24640, 25936, 32420, 35662, 45388, 49280, 51872, 56735, 64840, 71324, 89155, 90776, 103744, 113470, 124817, 129680, 142648, 178310, 181552, 207488, 226940, 249634, 259360, 285296, 356620, 363104, 453880, 499268, 518720, 570592, 624085, 713240, 726208, 907760, 998536, 1037440, 1141184, 1248170, 1426480, 1452416, 1815520, 1997072, 2282368, 2496340, 2852960, 3631040, 3994144, 4992680, 5705920, 7262080, 7988288, 9985360, 11411840, 15976576, 19970720, 39941440, 79882880]

約数ペア:

[(1, 79882880), (2, 39941440), (4, 19970720), (5, 15976576), (7, 11411840), (8, 9985360), (10, 7988288), (11, 7262080), (14, 5705920), (16, 4992680), (20, 3994144), (22, 3631040), (28, 2852960), (32, 2496340), (35, 2282368), (40, 1997072), (44, 1815520), (55, 1452416), (56, 1426480), (64, 1248170), (70, 1141184), (77, 1037440), (80, 998536), (88, 907760), (110, 726208), (112, 713240), (128, 624085), (140, 570592), (154, 518720), (160, 499268), (176, 453880), (220, 363104), (224, 356620), (280, 285296), (308, 259360), (320, 249634), (352, 226940), (385, 207488), (440, 181552), (448, 178310), (560, 142648), (616, 129680), (640, 124817), (704, 113470), (770, 103744), (880, 90776), (896, 89155), (1120, 71324), (1232, 64840), (1408, 56735), (1540, 51872), (1621, 49280), (1760, 45388), (2240, 35662), (2464, 32420), (3080, 25936), (3242, 24640), (3520, 22694), (4480, 17831), (4928, 16210), (6160, 12968), (6484, 12320), (7040, 11347), (8105, 9856)]