261045288

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{172649}}^1$

素因数の和:172671

約数の個数: 64

約数和(自身を含む): 828720000

約数和(自身を除く): 567674712

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 172649, 345298, 517947, 690596, 1035894, 1208543, 1381192, 1553841, 2071788, 2417086, 3107682, 3625629, 4143576, 4661523, 4834172, 6215364, 7251258, 9323046, 9668344, 10876887, 12430728, 14502516, 18646092, 21753774, 29005032, 32630661, 37292184, 43507548, 65261322, 87015096, 130522644, 261045288]

約数ペア:

[(1, 261045288), (2, 130522644), (3, 87015096), (4, 65261322), (6, 43507548), (7, 37292184), (8, 32630661), (9, 29005032), (12, 21753774), (14, 18646092), (18, 14502516), (21, 12430728), (24, 10876887), (27, 9668344), (28, 9323046), (36, 7251258), (42, 6215364), (54, 4834172), (56, 4661523), (63, 4143576), (72, 3625629), (84, 3107682), (108, 2417086), (126, 2071788), (168, 1553841), (189, 1381192), (216, 1208543), (252, 1035894), (378, 690596), (504, 517947), (756, 345298), (1512, 172649)]