90018040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8689}}^1$

素因数の和:8744

約数の個数: 64

約数和(自身を含む): 237758400

約数和(自身を除く): 147740360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 8689, 10360, 17378, 34756, 43445, 60823, 69512, 86890, 121646, 173780, 243292, 304115, 321493, 347560, 486584, 608230, 642986, 1216460, 1285972, 1607465, 2250451, 2432920, 2571944, 3214930, 4500902, 6429860, 9001804, 11252255, 12859720, 18003608, 22504510, 45009020, 90018040]

約数ペア:

[(1, 90018040), (2, 45009020), (4, 22504510), (5, 18003608), (7, 12859720), (8, 11252255), (10, 9001804), (14, 6429860), (20, 4500902), (28, 3214930), (35, 2571944), (37, 2432920), (40, 2250451), (56, 1607465), (70, 1285972), (74, 1216460), (140, 642986), (148, 608230), (185, 486584), (259, 347560), (280, 321493), (296, 304115), (370, 243292), (518, 173780), (740, 121646), (1036, 86890), (1295, 69512), (1480, 60823), (2072, 43445), (2590, 34756), (5180, 17378), (8689, 10360)]