312189040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1051}}^1$

素因数の和:1190

約数の個数: 80

約数和(自身を含む): 751380480

約数和(自身を除く): 439191440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 79, 80, 94, 158, 188, 235, 316, 376, 395, 470, 632, 752, 790, 940, 1051, 1264, 1580, 1880, 2102, 3160, 3713, 3760, 4204, 5255, 6320, 7426, 8408, 10510, 14852, 16816, 18565, 21020, 29704, 37130, 42040, 49397, 59408, 74260, 83029, 84080, 98794, 148520, 166058, 197588, 246985, 297040, 332116, 395176, 415145, 493970, 664232, 790352, 830290, 987940, 1328464, 1660580, 1975880, 3321160, 3902363, 3951760, 6642320, 7804726, 15609452, 19511815, 31218904, 39023630, 62437808, 78047260, 156094520, 312189040]

約数ペア:

[(1, 312189040), (2, 156094520), (4, 78047260), (5, 62437808), (8, 39023630), (10, 31218904), (16, 19511815), (20, 15609452), (40, 7804726), (47, 6642320), (79, 3951760), (80, 3902363), (94, 3321160), (158, 1975880), (188, 1660580), (235, 1328464), (316, 987940), (376, 830290), (395, 790352), (470, 664232), (632, 493970), (752, 415145), (790, 395176), (940, 332116), (1051, 297040), (1264, 246985), (1580, 197588), (1880, 166058), (2102, 148520), (3160, 98794), (3713, 84080), (3760, 83029), (4204, 74260), (5255, 59408), (6320, 49397), (7426, 42040), (8408, 37130), (10510, 29704), (14852, 21020), (16816, 18565)]