78885120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20543}}^1$

素因数の和:20567

約数の個数: 72

約数和(自身を含む): 251951616

約数和(自身を除く): 173066496

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20543, 41086, 61629, 82172, 102715, 123258, 164344, 205430, 246516, 308145, 328688, 410860, 493032, 616290, 657376, 821720, 986064, 1232580, 1314752, 1643440, 1972128, 2465160, 2629504, 3286880, 3944256, 4930320, 5259008, 6573760, 7888512, 9860640, 13147520, 15777024, 19721280, 26295040, 39442560, 78885120]

約数ペア:

[(1, 78885120), (2, 39442560), (3, 26295040), (4, 19721280), (5, 15777024), (6, 13147520), (8, 9860640), (10, 7888512), (12, 6573760), (15, 5259008), (16, 4930320), (20, 3944256), (24, 3286880), (30, 2629504), (32, 2465160), (40, 1972128), (48, 1643440), (60, 1314752), (64, 1232580), (80, 986064), (96, 821720), (120, 657376), (128, 616290), (160, 493032), (192, 410860), (240, 328688), (256, 308145), (320, 246516), (384, 205430), (480, 164344), (640, 123258), (768, 102715), (960, 82172), (1280, 61629), (1920, 41086), (3840, 20543)]