20080902120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{636277}}^1$

素因数の和:636554

約数の個数: 64

約数和(自身を含む): 60471861120

約数和(自身を除く): 40390959000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 789, 1052, 1315, 1578, 2104, 2630, 3156, 3945, 5260, 6312, 7890, 10520, 15780, 31560, 636277, 1272554, 1908831, 2545108, 3181385, 3817662, 5090216, 6362770, 7635324, 9544155, 12725540, 15270648, 19088310, 25451080, 38176620, 76353240, 167340851, 334681702, 502022553, 669363404, 836704255, 1004045106, 1338726808, 1673408510, 2008090212, 2510112765, 3346817020, 4016180424, 5020225530, 6693634040, 10040451060, 20080902120]

約数ペア:

[(1, 20080902120), (2, 10040451060), (3, 6693634040), (4, 5020225530), (5, 4016180424), (6, 3346817020), (8, 2510112765), (10, 2008090212), (12, 1673408510), (15, 1338726808), (20, 1004045106), (24, 836704255), (30, 669363404), (40, 502022553), (60, 334681702), (120, 167340851), (263, 76353240), (526, 38176620), (789, 25451080), (1052, 19088310), (1315, 15270648), (1578, 12725540), (2104, 9544155), (2630, 7635324), (3156, 6362770), (3945, 5090216), (5260, 3817662), (6312, 3181385), (7890, 2545108), (10520, 1908831), (15780, 1272554), (31560, 636277)]