87267320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1361}}^1$

素因数の和:1608

約数の個数: 64

約数和(自身を含む): 225547200

約数和(自身を除く): 138279880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 1145, 1361, 1603, 1832, 2290, 2722, 3206, 4580, 5444, 6412, 6805, 8015, 9160, 9527, 10888, 12824, 13610, 16030, 19054, 27220, 32060, 38108, 47635, 54440, 64120, 76216, 95270, 190540, 311669, 381080, 623338, 1246676, 1558345, 2181683, 2493352, 3116690, 4363366, 6233380, 8726732, 10908415, 12466760, 17453464, 21816830, 43633660, 87267320]

約数ペア:

[(1, 87267320), (2, 43633660), (4, 21816830), (5, 17453464), (7, 12466760), (8, 10908415), (10, 8726732), (14, 6233380), (20, 4363366), (28, 3116690), (35, 2493352), (40, 2181683), (56, 1558345), (70, 1246676), (140, 623338), (229, 381080), (280, 311669), (458, 190540), (916, 95270), (1145, 76216), (1361, 64120), (1603, 54440), (1832, 47635), (2290, 38108), (2722, 32060), (3206, 27220), (4580, 19054), (5444, 16030), (6412, 13610), (6805, 12824), (8015, 10888), (9160, 9527)]