78980580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62683}}^1$

素因数の和:62705

約数の個数: 72

約数和(自身を含む): 273803712

約数和(自身を除く): 194823132

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 62683, 125366, 188049, 250732, 313415, 376098, 438781, 564147, 626830, 752196, 877562, 940245, 1128294, 1253660, 1316343, 1755124, 1880490, 2193905, 2256588, 2632686, 2820735, 3760980, 3949029, 4387810, 5265372, 5641470, 6581715, 7898058, 8775620, 11282940, 13163430, 15796116, 19745145, 26326860, 39490290, 78980580]

約数ペア:

[(1, 78980580), (2, 39490290), (3, 26326860), (4, 19745145), (5, 15796116), (6, 13163430), (7, 11282940), (9, 8775620), (10, 7898058), (12, 6581715), (14, 5641470), (15, 5265372), (18, 4387810), (20, 3949029), (21, 3760980), (28, 2820735), (30, 2632686), (35, 2256588), (36, 2193905), (42, 1880490), (45, 1755124), (60, 1316343), (63, 1253660), (70, 1128294), (84, 940245), (90, 877562), (105, 752196), (126, 626830), (140, 564147), (180, 438781), (210, 376098), (252, 313415), (315, 250732), (420, 188049), (630, 125366), (1260, 62683)]