91440640

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1599

約数の個数: 80

約数和(自身を含む): 228922848

約数和(自身を除く): 137482208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 512, 640, 736, 920, 1280, 1472, 1553, 1840, 2560, 2944, 3106, 3680, 5888, 6212, 7360, 7765, 11776, 12424, 14720, 15530, 24848, 29440, 31060, 35719, 49696, 58880, 62120, 71438, 99392, 124240, 142876, 178595, 198784, 248480, 285752, 357190, 397568, 496960, 571504, 714380, 795136, 993920, 1143008, 1428760, 1987840, 2286016, 2857520, 3975680, 4572032, 5715040, 9144064, 11430080, 18288128, 22860160, 45720320, 91440640]

約数ペア:

[(1, 91440640), (2, 45720320), (4, 22860160), (5, 18288128), (8, 11430080), (10, 9144064), (16, 5715040), (20, 4572032), (23, 3975680), (32, 2857520), (40, 2286016), (46, 1987840), (64, 1428760), (80, 1143008), (92, 993920), (115, 795136), (128, 714380), (160, 571504), (184, 496960), (230, 397568), (256, 357190), (320, 285752), (368, 248480), (460, 198784), (512, 178595), (640, 142876), (736, 124240), (920, 99392), (1280, 71438), (1472, 62120), (1553, 58880), (1840, 49696), (2560, 35719), (2944, 31060), (3106, 29440), (3680, 24848), (5888, 15530), (6212, 14720), (7360, 12424), (7765, 11776)]