78849760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 206406144

約数和(自身を除く): 127556384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 110, 142, 160, 176, 220, 284, 352, 355, 440, 568, 631, 710, 781, 880, 1136, 1262, 1420, 1562, 1760, 2272, 2524, 2840, 3124, 3155, 3905, 5048, 5680, 6248, 6310, 6941, 7810, 10096, 11360, 12496, 12620, 13882, 15620, 20192, 24992, 25240, 27764, 31240, 34705, 44801, 50480, 55528, 62480, 69410, 89602, 100960, 111056, 124960, 138820, 179204, 222112, 224005, 277640, 358408, 448010, 492811, 555280, 716816, 896020, 985622, 1110560, 1433632, 1792040, 1971244, 2464055, 3584080, 3942488, 4928110, 7168160, 7884976, 9856220, 15769952, 19712440, 39424880, 78849760]

約数ペア:

[(1, 78849760), (2, 39424880), (4, 19712440), (5, 15769952), (8, 9856220), (10, 7884976), (11, 7168160), (16, 4928110), (20, 3942488), (22, 3584080), (32, 2464055), (40, 1971244), (44, 1792040), (55, 1433632), (71, 1110560), (80, 985622), (88, 896020), (110, 716816), (142, 555280), (160, 492811), (176, 448010), (220, 358408), (284, 277640), (352, 224005), (355, 222112), (440, 179204), (568, 138820), (631, 124960), (710, 111056), (781, 100960), (880, 89602), (1136, 69410), (1262, 62480), (1420, 55528), (1562, 50480), (1760, 44801), (2272, 34705), (2524, 31240), (2840, 27764), (3124, 25240), (3155, 24992), (3905, 20192), (5048, 15620), (5680, 13882), (6248, 12620), (6310, 12496), (6941, 11360), (7810, 10096)]