81421440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42407}}^1$

素因数の和:42429

約数の個数: 64

約数和(自身を含む): 259536960

約数和(自身を除く): 178115520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42407, 84814, 127221, 169628, 212035, 254442, 339256, 424070, 508884, 636105, 678512, 848140, 1017768, 1272210, 1357024, 1696280, 2035536, 2544420, 2714048, 3392560, 4071072, 5088840, 5428096, 6785120, 8142144, 10177680, 13570240, 16284288, 20355360, 27140480, 40710720, 81421440]

約数ペア:

[(1, 81421440), (2, 40710720), (3, 27140480), (4, 20355360), (5, 16284288), (6, 13570240), (8, 10177680), (10, 8142144), (12, 6785120), (15, 5428096), (16, 5088840), (20, 4071072), (24, 3392560), (30, 2714048), (32, 2544420), (40, 2035536), (48, 1696280), (60, 1357024), (64, 1272210), (80, 1017768), (96, 848140), (120, 678512), (128, 636105), (160, 508884), (192, 424070), (240, 339256), (320, 254442), (384, 212035), (480, 169628), (640, 127221), (960, 84814), (1920, 42407)]