78707840

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5347}}^1$

素因数の和:5389

約数の個数: 64

約数和(自身を含む): 196378560

約数和(自身を除く): 117670720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 5347, 7360, 10694, 14720, 21388, 26735, 42776, 53470, 85552, 106940, 122981, 171104, 213880, 245962, 342208, 427760, 491924, 614905, 684416, 855520, 983848, 1229810, 1711040, 1967696, 2459620, 3422080, 3935392, 4919240, 7870784, 9838480, 15741568, 19676960, 39353920, 78707840]

約数ペア:

[(1, 78707840), (2, 39353920), (4, 19676960), (5, 15741568), (8, 9838480), (10, 7870784), (16, 4919240), (20, 3935392), (23, 3422080), (32, 2459620), (40, 1967696), (46, 1711040), (64, 1229810), (80, 983848), (92, 855520), (115, 684416), (128, 614905), (160, 491924), (184, 427760), (230, 342208), (320, 245962), (368, 213880), (460, 171104), (640, 122981), (736, 106940), (920, 85552), (1472, 53470), (1840, 42776), (2944, 26735), (3680, 21388), (5347, 14720), (7360, 10694)]