220968

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:60

約数の個数: 80

約数和(自身を含む): 696960

約数和(自身を除く): 475992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 31, 33, 36, 44, 54, 62, 66, 72, 81, 88, 93, 99, 108, 124, 132, 162, 186, 198, 216, 248, 264, 279, 297, 324, 341, 372, 396, 558, 594, 648, 682, 744, 792, 837, 891, 1023, 1116, 1188, 1364, 1674, 1782, 2046, 2232, 2376, 2511, 2728, 3069, 3348, 3564, 4092, 5022, 6138, 6696, 7128, 8184, 9207, 10044, 12276, 18414, 20088, 24552, 27621, 36828, 55242, 73656, 110484, 220968]

約数ペア:

[(1, 220968), (2, 110484), (3, 73656), (4, 55242), (6, 36828), (8, 27621), (9, 24552), (11, 20088), (12, 18414), (18, 12276), (22, 10044), (24, 9207), (27, 8184), (31, 7128), (33, 6696), (36, 6138), (44, 5022), (54, 4092), (62, 3564), (66, 3348), (72, 3069), (81, 2728), (88, 2511), (93, 2376), (99, 2232), (108, 2046), (124, 1782), (132, 1674), (162, 1364), (186, 1188), (198, 1116), (216, 1023), (248, 891), (264, 837), (279, 792), (297, 744), (324, 682), (341, 648), (372, 594), (396, 558)]