256753360

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{683}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 618817536

約数和(自身を除く): 362064176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 127, 148, 185, 254, 296, 370, 508, 592, 635, 683, 740, 1016, 1270, 1366, 1480, 2032, 2540, 2732, 2960, 3415, 4699, 5080, 5464, 6830, 9398, 10160, 10928, 13660, 18796, 23495, 25271, 27320, 37592, 46990, 50542, 54640, 75184, 86741, 93980, 101084, 126355, 173482, 187960, 202168, 252710, 346964, 375920, 404336, 433705, 505420, 693928, 867410, 1010840, 1387856, 1734820, 2021680, 3209417, 3469640, 6418834, 6939280, 12837668, 16047085, 25675336, 32094170, 51350672, 64188340, 128376680, 256753360]

約数ペア:

[(1, 256753360), (2, 128376680), (4, 64188340), (5, 51350672), (8, 32094170), (10, 25675336), (16, 16047085), (20, 12837668), (37, 6939280), (40, 6418834), (74, 3469640), (80, 3209417), (127, 2021680), (148, 1734820), (185, 1387856), (254, 1010840), (296, 867410), (370, 693928), (508, 505420), (592, 433705), (635, 404336), (683, 375920), (740, 346964), (1016, 252710), (1270, 202168), (1366, 187960), (1480, 173482), (2032, 126355), (2540, 101084), (2732, 93980), (2960, 86741), (3415, 75184), (4699, 54640), (5080, 50542), (5464, 46990), (6830, 37592), (9398, 27320), (10160, 25271), (10928, 23495), (13660, 18796)]