28047180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1615

約数の個数: 96

約数和(自身を含む): 91897344

約数和(自身を除く): 63850164

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, 1553, 1806, 2580, 3010, 3106, 3612, 4515, 4659, 6020, 6212, 7765, 9030, 9318, 10871, 15530, 18060, 18636, 21742, 23295, 31060, 32613, 43484, 46590, 54355, 65226, 66779, 93180, 108710, 130452, 133558, 163065, 200337, 217420, 267116, 326130, 333895, 400674, 467453, 652260, 667790, 801348, 934906, 1001685, 1335580, 1402359, 1869812, 2003370, 2337265, 2804718, 4006740, 4674530, 5609436, 7011795, 9349060, 14023590, 28047180]

約数ペア:

[(1, 28047180), (2, 14023590), (3, 9349060), (4, 7011795), (5, 5609436), (6, 4674530), (7, 4006740), (10, 2804718), (12, 2337265), (14, 2003370), (15, 1869812), (20, 1402359), (21, 1335580), (28, 1001685), (30, 934906), (35, 801348), (42, 667790), (43, 652260), (60, 467453), (70, 400674), (84, 333895), (86, 326130), (105, 267116), (129, 217420), (140, 200337), (172, 163065), (210, 133558), (215, 130452), (258, 108710), (301, 93180), (420, 66779), (430, 65226), (516, 54355), (602, 46590), (645, 43484), (860, 32613), (903, 31060), (1204, 23295), (1290, 21742), (1505, 18636), (1553, 18060), (1806, 15530), (2580, 10871), (3010, 9318), (3106, 9030), (3612, 7765), (4515, 6212), (4659, 6020)]