78881280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{10271}}^1$

素因数の和:10297

約数の個数: 80

約数和(自身を含む): 252198144

約数和(自身を除く): 173316864

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 10271, 20542, 30813, 41084, 51355, 61626, 82168, 102710, 123252, 154065, 164336, 205420, 246504, 308130, 328672, 410840, 493008, 616260, 657344, 821680, 986016, 1232520, 1314688, 1643360, 1972032, 2465040, 2629376, 3286720, 3944064, 4930080, 5258752, 6573440, 7888128, 9860160, 13146880, 15776256, 19720320, 26293760, 39440640, 78881280]

約数ペア:

[(1, 78881280), (2, 39440640), (3, 26293760), (4, 19720320), (5, 15776256), (6, 13146880), (8, 9860160), (10, 7888128), (12, 6573440), (15, 5258752), (16, 4930080), (20, 3944064), (24, 3286720), (30, 2629376), (32, 2465040), (40, 1972032), (48, 1643360), (60, 1314688), (64, 1232520), (80, 986016), (96, 821680), (120, 657344), (128, 616260), (160, 493008), (192, 410840), (240, 328672), (256, 308130), (320, 246504), (384, 205420), (480, 164336), (512, 154065), (640, 123252), (768, 102710), (960, 82168), (1280, 61626), (1536, 51355), (1920, 41084), (2560, 30813), (3840, 20542), (7680, 10271)]