221045580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{175433}}^1$

素因数の和:175455

約数の個数: 72

約数和(自身を含む): 766295712

約数和(自身を除く): 545250132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 175433, 350866, 526299, 701732, 877165, 1052598, 1228031, 1578897, 1754330, 2105196, 2456062, 2631495, 3157794, 3508660, 3684093, 4912124, 5262990, 6140155, 6315588, 7368186, 7894485, 10525980, 11052279, 12280310, 14736372, 15788970, 18420465, 22104558, 24560620, 31577940, 36840930, 44209116, 55261395, 73681860, 110522790, 221045580]

約数ペア:

[(1, 221045580), (2, 110522790), (3, 73681860), (4, 55261395), (5, 44209116), (6, 36840930), (7, 31577940), (9, 24560620), (10, 22104558), (12, 18420465), (14, 15788970), (15, 14736372), (18, 12280310), (20, 11052279), (21, 10525980), (28, 7894485), (30, 7368186), (35, 6315588), (36, 6140155), (42, 5262990), (45, 4912124), (60, 3684093), (63, 3508660), (70, 3157794), (84, 2631495), (90, 2456062), (105, 2105196), (126, 1754330), (140, 1578897), (180, 1228031), (210, 1052598), (252, 877165), (315, 701732), (420, 526299), (630, 350866), (1260, 175433)]