78837560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1380

約数の個数: 64

約数和(自身を含む): 188006400

約数和(自身を除く): 109168840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 335, 460, 536, 670, 920, 1279, 1340, 1541, 2558, 2680, 3082, 5116, 6164, 6395, 7705, 10232, 12328, 12790, 15410, 25580, 29417, 30820, 51160, 58834, 61640, 85693, 117668, 147085, 171386, 235336, 294170, 342772, 428465, 588340, 685544, 856930, 1176680, 1713860, 1970939, 3427720, 3941878, 7883756, 9854695, 15767512, 19709390, 39418780, 78837560]

約数ペア:

[(1, 78837560), (2, 39418780), (4, 19709390), (5, 15767512), (8, 9854695), (10, 7883756), (20, 3941878), (23, 3427720), (40, 1970939), (46, 1713860), (67, 1176680), (92, 856930), (115, 685544), (134, 588340), (184, 428465), (230, 342772), (268, 294170), (335, 235336), (460, 171386), (536, 147085), (670, 117668), (920, 85693), (1279, 61640), (1340, 58834), (1541, 51160), (2558, 30820), (2680, 29417), (3082, 25580), (5116, 15410), (6164, 12790), (6395, 12328), (7705, 10232)]