81577020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4579

約数の個数: 96

約数和(自身を含む): 267176448

約数和(自身を除く): 185599428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 4517, 6020, 9030, 9034, 13551, 18060, 18068, 22585, 27102, 31619, 45170, 54204, 63238, 67755, 90340, 94857, 126476, 135510, 158095, 189714, 194231, 271020, 316190, 379428, 388462, 474285, 582693, 632380, 776924, 948570, 971155, 1165386, 1359617, 1897140, 1942310, 2330772, 2719234, 2913465, 3884620, 4078851, 5438468, 5826930, 6798085, 8157702, 11653860, 13596170, 16315404, 20394255, 27192340, 40788510, 81577020]

約数ペア:

[(1, 81577020), (2, 40788510), (3, 27192340), (4, 20394255), (5, 16315404), (6, 13596170), (7, 11653860), (10, 8157702), (12, 6798085), (14, 5826930), (15, 5438468), (20, 4078851), (21, 3884620), (28, 2913465), (30, 2719234), (35, 2330772), (42, 1942310), (43, 1897140), (60, 1359617), (70, 1165386), (84, 971155), (86, 948570), (105, 776924), (129, 632380), (140, 582693), (172, 474285), (210, 388462), (215, 379428), (258, 316190), (301, 271020), (420, 194231), (430, 189714), (516, 158095), (602, 135510), (645, 126476), (860, 94857), (903, 90340), (1204, 67755), (1290, 63238), (1505, 54204), (1806, 45170), (2580, 31619), (3010, 27102), (3612, 22585), (4515, 18068), (4517, 18060), (6020, 13551), (9030, 9034)]