77687040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20231}}^1$

素因数の和:20255

約数の個数: 72

約数和(自身を含む): 248125248

約数和(自身を除く): 170438208

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, 20231, 40462, 60693, 80924, 101155, 121386, 161848, 202310, 242772, 303465, 323696, 404620, 485544, 606930, 647392, 809240, 971088, 1213860, 1294784, 1618480, 1942176, 2427720, 2589568, 3236960, 3884352, 4855440, 5179136, 6473920, 7768704, 9710880, 12947840, 15537408, 19421760, 25895680, 38843520, 77687040]

約数ペア:

[(1, 77687040), (2, 38843520), (3, 25895680), (4, 19421760), (5, 15537408), (6, 12947840), (8, 9710880), (10, 7768704), (12, 6473920), (15, 5179136), (16, 4855440), (20, 3884352), (24, 3236960), (30, 2589568), (32, 2427720), (40, 1942176), (48, 1618480), (60, 1294784), (64, 1213860), (80, 971088), (96, 809240), (120, 647392), (128, 606930), (160, 485544), (192, 404620), (240, 323696), (256, 303465), (320, 242772), (384, 202310), (480, 161848), (640, 121386), (768, 101155), (960, 80924), (1280, 60693), (1920, 40462), (3840, 20231)]