216785640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{6869}}^1$

素因数の和:7146

約数の個数: 64

約数和(自身を含む): 652924800

約数和(自身を除く): 436139160

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, 6869, 7890, 10520, 13738, 15780, 20607, 27476, 31560, 34345, 41214, 54952, 68690, 82428, 103035, 137380, 164856, 206070, 274760, 412140, 824280, 1806547, 3613094, 5419641, 7226188, 9032735, 10839282, 14452376, 18065470, 21678564, 27098205, 36130940, 43357128, 54196410, 72261880, 108392820, 216785640]

約数ペア:

[(1, 216785640), (2, 108392820), (3, 72261880), (4, 54196410), (5, 43357128), (6, 36130940), (8, 27098205), (10, 21678564), (12, 18065470), (15, 14452376), (20, 10839282), (24, 9032735), (30, 7226188), (40, 5419641), (60, 3613094), (120, 1806547), (263, 824280), (526, 412140), (789, 274760), (1052, 206070), (1315, 164856), (1578, 137380), (2104, 103035), (2630, 82428), (3156, 68690), (3945, 54952), (5260, 41214), (6312, 34345), (6869, 31560), (7890, 27476), (10520, 20607), (13738, 15780)]