220191855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 403952640

約数和(自身を除く): 183760785

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 103, 195, 247, 285, 309, 515, 577, 741, 1235, 1339, 1545, 1731, 1957, 2885, 3705, 4017, 5871, 6695, 7501, 8655, 9785, 10963, 20085, 22503, 25441, 29355, 32889, 37505, 54815, 59431, 76323, 112515, 127205, 142519, 164445, 178293, 297155, 381615, 427557, 712595, 772603, 891465, 1129189, 2137785, 2317809, 3387567, 3863015, 5645945, 11589045, 14679457, 16937835, 44038371, 73397285, 220191855]

約数ペア:

[(1, 220191855), (3, 73397285), (5, 44038371), (13, 16937835), (15, 14679457), (19, 11589045), (39, 5645945), (57, 3863015), (65, 3387567), (95, 2317809), (103, 2137785), (195, 1129189), (247, 891465), (285, 772603), (309, 712595), (515, 427557), (577, 381615), (741, 297155), (1235, 178293), (1339, 164445), (1545, 142519), (1731, 127205), (1957, 112515), (2885, 76323), (3705, 59431), (4017, 54815), (5871, 37505), (6695, 32889), (7501, 29355), (8655, 25441), (9785, 22503), (10963, 20085)]