76680520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1583}}^1$

素因数の和:1774

約数の個数: 64

約数和(自身を含む): 198443520

約数和(自身を除く): 121763000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1211, 1384, 1583, 1730, 2422, 3166, 3460, 4844, 6055, 6332, 6920, 7915, 9688, 11081, 12110, 12664, 15830, 22162, 24220, 31660, 44324, 48440, 55405, 63320, 88648, 110810, 221620, 273859, 443240, 547718, 1095436, 1369295, 1917013, 2190872, 2738590, 3834026, 5477180, 7668052, 9585065, 10954360, 15336104, 19170130, 38340260, 76680520]

約数ペア:

[(1, 76680520), (2, 38340260), (4, 19170130), (5, 15336104), (7, 10954360), (8, 9585065), (10, 7668052), (14, 5477180), (20, 3834026), (28, 2738590), (35, 2190872), (40, 1917013), (56, 1369295), (70, 1095436), (140, 547718), (173, 443240), (280, 273859), (346, 221620), (692, 110810), (865, 88648), (1211, 63320), (1384, 55405), (1583, 48440), (1730, 44324), (2422, 31660), (3166, 24220), (3460, 22162), (4844, 15830), (6055, 12664), (6332, 12110), (6920, 11081), (7915, 9688)]