51440280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1069}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 154850400

約数和(自身を除く): 103410120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1069, 1203, 1604, 2005, 2138, 2406, 3207, 3208, 4010, 4276, 4812, 5345, 6015, 6414, 8020, 8552, 9624, 10690, 12030, 12828, 16035, 16040, 21380, 24060, 25656, 32070, 42760, 48120, 64140, 128280, 428669, 857338, 1286007, 1714676, 2143345, 2572014, 3429352, 4286690, 5144028, 6430035, 8573380, 10288056, 12860070, 17146760, 25720140, 51440280]

約数ペア:

[(1, 51440280), (2, 25720140), (3, 17146760), (4, 12860070), (5, 10288056), (6, 8573380), (8, 6430035), (10, 5144028), (12, 4286690), (15, 3429352), (20, 2572014), (24, 2143345), (30, 1714676), (40, 1286007), (60, 857338), (120, 428669), (401, 128280), (802, 64140), (1069, 48120), (1203, 42760), (1604, 32070), (2005, 25656), (2138, 24060), (2406, 21380), (3207, 16040), (3208, 16035), (4010, 12828), (4276, 12030), (4812, 10690), (5345, 9624), (6015, 8552), (6414, 8020)]