261144

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:62

約数の個数: 80

約数和(自身を含む): 813120

約数和(自身を除く): 551976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 31, 36, 39, 52, 54, 62, 72, 78, 81, 93, 104, 108, 117, 124, 156, 162, 186, 216, 234, 248, 279, 312, 324, 351, 372, 403, 468, 558, 648, 702, 744, 806, 837, 936, 1053, 1116, 1209, 1404, 1612, 1674, 2106, 2232, 2418, 2511, 2808, 3224, 3348, 3627, 4212, 4836, 5022, 6696, 7254, 8424, 9672, 10044, 10881, 14508, 20088, 21762, 29016, 32643, 43524, 65286, 87048, 130572, 261144]

約数ペア:

[(1, 261144), (2, 130572), (3, 87048), (4, 65286), (6, 43524), (8, 32643), (9, 29016), (12, 21762), (13, 20088), (18, 14508), (24, 10881), (26, 10044), (27, 9672), (31, 8424), (36, 7254), (39, 6696), (52, 5022), (54, 4836), (62, 4212), (72, 3627), (78, 3348), (81, 3224), (93, 2808), (104, 2511), (108, 2418), (117, 2232), (124, 2106), (156, 1674), (162, 1612), (186, 1404), (216, 1209), (234, 1116), (248, 1053), (279, 936), (312, 837), (324, 806), (351, 744), (372, 702), (403, 648), (468, 558)]