66987990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43783}}^1$

素因数の和:43813

約数の個数: 48

約数和(自身を含む): 184418208

約数和(自身を除く): 117430218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 43783, 87566, 131349, 218915, 262698, 394047, 437830, 656745, 744311, 788094, 1313490, 1488622, 1970235, 2232933, 3721555, 3940470, 4465866, 6698799, 7443110, 11164665, 13397598, 22329330, 33493995, 66987990]

約数ペア:

[(1, 66987990), (2, 33493995), (3, 22329330), (5, 13397598), (6, 11164665), (9, 7443110), (10, 6698799), (15, 4465866), (17, 3940470), (18, 3721555), (30, 2232933), (34, 1970235), (45, 1488622), (51, 1313490), (85, 788094), (90, 744311), (102, 656745), (153, 437830), (170, 394047), (255, 262698), (306, 218915), (510, 131349), (765, 87566), (1530, 43783)]