264536320

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12157}}^1$

素因数の和:12195

約数の個数: 72

約数和(自身を含む): 670975704

約数和(自身を除く): 406439384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 12157, 21760, 24314, 48628, 60785, 97256, 121570, 194512, 206669, 243140, 389024, 413338, 486280, 778048, 826676, 972560, 1033345, 1556096, 1653352, 1945120, 2066690, 3112192, 3306704, 3890240, 4133380, 6613408, 7780480, 8266760, 13226816, 15560960, 16533520, 26453632, 33067040, 52907264, 66134080, 132268160, 264536320]

約数ペア:

[(1, 264536320), (2, 132268160), (4, 66134080), (5, 52907264), (8, 33067040), (10, 26453632), (16, 16533520), (17, 15560960), (20, 13226816), (32, 8266760), (34, 7780480), (40, 6613408), (64, 4133380), (68, 3890240), (80, 3306704), (85, 3112192), (128, 2066690), (136, 1945120), (160, 1653352), (170, 1556096), (256, 1033345), (272, 972560), (320, 826676), (340, 778048), (544, 486280), (640, 413338), (680, 389024), (1088, 243140), (1280, 206669), (1360, 194512), (2176, 121570), (2720, 97256), (4352, 60785), (5440, 48628), (10880, 24314), (12157, 21760)]