87255540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1579}}^1$

素因数の和:1901

約数の個数: 72

約数和(自身を含む): 265705440

約数和(自身を除く): 178449900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1579, 1842, 2763, 3070, 3158, 3684, 4605, 4737, 5526, 6140, 6316, 7895, 9210, 9474, 11052, 13815, 14211, 15790, 18420, 18948, 23685, 27630, 28422, 31580, 47370, 55260, 56844, 71055, 94740, 142110, 284220, 484753, 969506, 1454259, 1939012, 2423765, 2908518, 4362777, 4847530, 5817036, 7271295, 8725554, 9695060, 14542590, 17451108, 21813885, 29085180, 43627770, 87255540]

約数ペア:

[(1, 87255540), (2, 43627770), (3, 29085180), (4, 21813885), (5, 17451108), (6, 14542590), (9, 9695060), (10, 8725554), (12, 7271295), (15, 5817036), (18, 4847530), (20, 4362777), (30, 2908518), (36, 2423765), (45, 1939012), (60, 1454259), (90, 969506), (180, 484753), (307, 284220), (614, 142110), (921, 94740), (1228, 71055), (1535, 56844), (1579, 55260), (1842, 47370), (2763, 31580), (3070, 28422), (3158, 27630), (3684, 23685), (4605, 18948), (4737, 18420), (5526, 15790), (6140, 14211), (6316, 13815), (7895, 11052), (9210, 9474)]