68031320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1061}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 175867200

約数和(自身を除く): 107835880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 1061, 1145, 1603, 1832, 2122, 2290, 3206, 4244, 4580, 5305, 6412, 7427, 8015, 8488, 9160, 10610, 12824, 14854, 16030, 21220, 29708, 32060, 37135, 42440, 59416, 64120, 74270, 148540, 242969, 297080, 485938, 971876, 1214845, 1700783, 1943752, 2429690, 3401566, 4859380, 6803132, 8503915, 9718760, 13606264, 17007830, 34015660, 68031320]

約数ペア:

[(1, 68031320), (2, 34015660), (4, 17007830), (5, 13606264), (7, 9718760), (8, 8503915), (10, 6803132), (14, 4859380), (20, 3401566), (28, 2429690), (35, 1943752), (40, 1700783), (56, 1214845), (70, 971876), (140, 485938), (229, 297080), (280, 242969), (458, 148540), (916, 74270), (1061, 64120), (1145, 59416), (1603, 42440), (1832, 37135), (2122, 32060), (2290, 29708), (3206, 21220), (4244, 16030), (4580, 14854), (5305, 12824), (6412, 10610), (7427, 9160), (8015, 8488)]