1520781440

素因数分解:

$2^7\times 5^1\times {\mathrm{359}}^1\times {\mathrm{6619}}^1$

素因数の和:6997

約数の個数: 64

約数和(自身を含む): 3646296000

約数和(自身を除く): 2125514560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 359, 640, 718, 1436, 1795, 2872, 3590, 5744, 6619, 7180, 11488, 13238, 14360, 22976, 26476, 28720, 33095, 45952, 52952, 57440, 66190, 105904, 114880, 132380, 211808, 229760, 264760, 423616, 529520, 847232, 1059040, 2118080, 2376221, 4236160, 4752442, 9504884, 11881105, 19009768, 23762210, 38019536, 47524420, 76039072, 95048840, 152078144, 190097680, 304156288, 380195360, 760390720, 1520781440]

約数ペア:

[(1, 1520781440), (2, 760390720), (4, 380195360), (5, 304156288), (8, 190097680), (10, 152078144), (16, 95048840), (20, 76039072), (32, 47524420), (40, 38019536), (64, 23762210), (80, 19009768), (128, 11881105), (160, 9504884), (320, 4752442), (359, 4236160), (640, 2376221), (718, 2118080), (1436, 1059040), (1795, 847232), (2872, 529520), (3590, 423616), (5744, 264760), (6619, 229760), (7180, 211808), (11488, 132380), (13238, 114880), (14360, 105904), (22976, 66190), (26476, 57440), (28720, 52952), (33095, 45952)]