12020220

素因数分解:

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

素因数の和:1611

約数の個数: 72

約数和(自身を含む): 37333296

約数和(自身を除く): 25313076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1553, 1935, 2580, 3106, 3870, 4659, 6212, 7740, 7765, 9318, 13977, 15530, 18636, 23295, 27954, 31060, 46590, 55908, 66779, 69885, 93180, 133558, 139770, 200337, 267116, 279540, 333895, 400674, 601011, 667790, 801348, 1001685, 1202022, 1335580, 2003370, 2404044, 3005055, 4006740, 6010110, 12020220]

約数ペア:

[(1, 12020220), (2, 6010110), (3, 4006740), (4, 3005055), (5, 2404044), (6, 2003370), (9, 1335580), (10, 1202022), (12, 1001685), (15, 801348), (18, 667790), (20, 601011), (30, 400674), (36, 333895), (43, 279540), (45, 267116), (60, 200337), (86, 139770), (90, 133558), (129, 93180), (172, 69885), (180, 66779), (215, 55908), (258, 46590), (387, 31060), (430, 27954), (516, 23295), (645, 18636), (774, 15530), (860, 13977), (1290, 9318), (1548, 7765), (1553, 7740), (1935, 6212), (2580, 4659), (3106, 3870)]