728887040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{81349}}^1$

素因数の和:81377

約数の個数: 72

約数和(自身を含む): 1995352800

約数和(自身を除く): 1266465760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 81349, 162698, 325396, 406745, 569443, 650792, 813490, 1138886, 1301584, 1626980, 2277772, 2603168, 2847215, 3253960, 4555544, 5206336, 5694430, 6507920, 9111088, 10412672, 11388860, 13015840, 18222176, 20825344, 22777720, 26031680, 36444352, 45555440, 52063360, 72888704, 91110880, 104126720, 145777408, 182221760, 364443520, 728887040]

約数ペア:

[(1, 728887040), (2, 364443520), (4, 182221760), (5, 145777408), (7, 104126720), (8, 91110880), (10, 72888704), (14, 52063360), (16, 45555440), (20, 36444352), (28, 26031680), (32, 22777720), (35, 20825344), (40, 18222176), (56, 13015840), (64, 11388860), (70, 10412672), (80, 9111088), (112, 6507920), (128, 5694430), (140, 5206336), (160, 4555544), (224, 3253960), (256, 2847215), (280, 2603168), (320, 2277772), (448, 1626980), (560, 1301584), (640, 1138886), (896, 813490), (1120, 650792), (1280, 569443), (1792, 406745), (2240, 325396), (4480, 162698), (8960, 81349)]