129880360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:866

約数の個数: 64

約数和(自身を含む): 302929920

約数和(自身を除く): 173049560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 127, 148, 185, 254, 296, 370, 508, 635, 691, 740, 1016, 1270, 1382, 1480, 2540, 2764, 3455, 4699, 5080, 5528, 6910, 9398, 13820, 18796, 23495, 25567, 27640, 37592, 46990, 51134, 87757, 93980, 102268, 127835, 175514, 187960, 204536, 255670, 351028, 438785, 511340, 702056, 877570, 1022680, 1755140, 3247009, 3510280, 6494018, 12988036, 16235045, 25976072, 32470090, 64940180, 129880360]

約数ペア:

[(1, 129880360), (2, 64940180), (4, 32470090), (5, 25976072), (8, 16235045), (10, 12988036), (20, 6494018), (37, 3510280), (40, 3247009), (74, 1755140), (127, 1022680), (148, 877570), (185, 702056), (254, 511340), (296, 438785), (370, 351028), (508, 255670), (635, 204536), (691, 187960), (740, 175514), (1016, 127835), (1270, 102268), (1382, 93980), (1480, 87757), (2540, 51134), (2764, 46990), (3455, 37592), (4699, 27640), (5080, 25567), (5528, 23495), (6910, 18796), (9398, 13820)]