256523976

素因数分解:

$2^3\times 3^3\times {\mathrm{59}}^1\times {\mathrm{20129}}^1$

素因数の和:20203

約数の個数: 64

約数和(自身を含む): 724680000

約数和(自身を除く): 468156024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 59, 72, 108, 118, 177, 216, 236, 354, 472, 531, 708, 1062, 1416, 1593, 2124, 3186, 4248, 6372, 12744, 20129, 40258, 60387, 80516, 120774, 161032, 181161, 241548, 362322, 483096, 543483, 724644, 1086966, 1187611, 1449288, 2173932, 2375222, 3562833, 4347864, 4750444, 7125666, 9500888, 10688499, 14251332, 21376998, 28502664, 32065497, 42753996, 64130994, 85507992, 128261988, 256523976]

約数ペア:

[(1, 256523976), (2, 128261988), (3, 85507992), (4, 64130994), (6, 42753996), (8, 32065497), (9, 28502664), (12, 21376998), (18, 14251332), (24, 10688499), (27, 9500888), (36, 7125666), (54, 4750444), (59, 4347864), (72, 3562833), (108, 2375222), (118, 2173932), (177, 1449288), (216, 1187611), (236, 1086966), (354, 724644), (472, 543483), (531, 483096), (708, 362322), (1062, 241548), (1416, 181161), (1593, 161032), (2124, 120774), (3186, 80516), (4248, 60387), (6372, 40258), (12744, 20129)]