256526430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{6367}}^1$

素因数の和:6473

約数の個数: 64

約数和(自身を含む): 660234240

約数和(自身を除く): 403707810

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 79, 85, 102, 158, 170, 237, 255, 395, 474, 510, 790, 1185, 1343, 2370, 2686, 4029, 6367, 6715, 8058, 12734, 13430, 19101, 20145, 31835, 38202, 40290, 63670, 95505, 108239, 191010, 216478, 324717, 502993, 541195, 649434, 1005986, 1082390, 1508979, 1623585, 2514965, 3017958, 3247170, 5029930, 7544895, 8550881, 15089790, 17101762, 25652643, 42754405, 51305286, 85508810, 128263215, 256526430]

約数ペア:

[(1, 256526430), (2, 128263215), (3, 85508810), (5, 51305286), (6, 42754405), (10, 25652643), (15, 17101762), (17, 15089790), (30, 8550881), (34, 7544895), (51, 5029930), (79, 3247170), (85, 3017958), (102, 2514965), (158, 1623585), (170, 1508979), (237, 1082390), (255, 1005986), (395, 649434), (474, 541195), (510, 502993), (790, 324717), (1185, 216478), (1343, 191010), (2370, 108239), (2686, 95505), (4029, 63670), (6367, 40290), (6715, 38202), (8058, 31835), (12734, 20145), (13430, 19101)]