266006385

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 496117440

約数和(自身を除く): 230111055

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 139, 207, 215, 345, 387, 417, 645, 695, 989, 1035, 1251, 1849, 1935, 2085, 2967, 3197, 4945, 5547, 5977, 6255, 8901, 9245, 9591, 14835, 15985, 16641, 17931, 27735, 28773, 29885, 42527, 44505, 47955, 53793, 83205, 89655, 127581, 137471, 143865, 212635, 257011, 268965, 382743, 412413, 637905, 687355, 771033, 1237239, 1285055, 1913715, 2062065, 2313099, 3855165, 5911253, 6186195, 11565495, 17733759, 29556265, 53201277, 88668795, 266006385]

約数ペア:

[(1, 266006385), (3, 88668795), (5, 53201277), (9, 29556265), (15, 17733759), (23, 11565495), (43, 6186195), (45, 5911253), (69, 3855165), (115, 2313099), (129, 2062065), (139, 1913715), (207, 1285055), (215, 1237239), (345, 771033), (387, 687355), (417, 637905), (645, 412413), (695, 382743), (989, 268965), (1035, 257011), (1251, 212635), (1849, 143865), (1935, 137471), (2085, 127581), (2967, 89655), (3197, 83205), (4945, 53793), (5547, 47955), (5977, 44505), (6255, 42527), (8901, 29885), (9245, 28773), (9591, 27735), (14835, 17931), (15985, 16641)]