78055680

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20327}}^1$

素因数の和:20351

約数の個数: 72

約数和(自身を含む): 249302592

約数和(自身を除く): 171246912

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, 20327, 40654, 60981, 81308, 101635, 121962, 162616, 203270, 243924, 304905, 325232, 406540, 487848, 609810, 650464, 813080, 975696, 1219620, 1300928, 1626160, 1951392, 2439240, 2601856, 3252320, 3902784, 4878480, 5203712, 6504640, 7805568, 9756960, 13009280, 15611136, 19513920, 26018560, 39027840, 78055680]

約数ペア:

[(1, 78055680), (2, 39027840), (3, 26018560), (4, 19513920), (5, 15611136), (6, 13009280), (8, 9756960), (10, 7805568), (12, 6504640), (15, 5203712), (16, 4878480), (20, 3902784), (24, 3252320), (30, 2601856), (32, 2439240), (40, 1951392), (48, 1626160), (60, 1300928), (64, 1219620), (80, 975696), (96, 813080), (120, 650464), (128, 609810), (160, 487848), (192, 406540), (240, 325232), (256, 304905), (320, 243924), (384, 203270), (480, 162616), (640, 121962), (768, 101635), (960, 81308), (1280, 60981), (1920, 40654), (3840, 20327)]