78239560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12149}}^1$

素因数の和:12190

約数の個数: 64

約数和(自身を含む): 209952000

約数和(自身を除く): 131712440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12149, 24298, 48596, 60745, 85043, 97192, 121490, 170086, 242980, 279427, 340172, 425215, 485960, 558854, 680344, 850430, 1117708, 1397135, 1700860, 1955989, 2235416, 2794270, 3401720, 3911978, 5588540, 7823956, 9779945, 11177080, 15647912, 19559890, 39119780, 78239560]

約数ペア:

[(1, 78239560), (2, 39119780), (4, 19559890), (5, 15647912), (7, 11177080), (8, 9779945), (10, 7823956), (14, 5588540), (20, 3911978), (23, 3401720), (28, 2794270), (35, 2235416), (40, 1955989), (46, 1700860), (56, 1397135), (70, 1117708), (92, 850430), (115, 680344), (140, 558854), (161, 485960), (184, 425215), (230, 340172), (280, 279427), (322, 242980), (460, 170086), (644, 121490), (805, 97192), (920, 85043), (1288, 60745), (1610, 48596), (3220, 24298), (6440, 12149)]