12042180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:613

約数の個数: 72

約数和(自身を含む): 36855000

約数和(自身を除く): 24812820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 449, 596, 745, 894, 898, 1341, 1347, 1490, 1788, 1796, 2235, 2245, 2682, 2694, 2980, 4041, 4470, 4490, 5364, 5388, 6705, 6735, 8082, 8940, 8980, 13410, 13470, 16164, 20205, 26820, 26940, 40410, 66901, 80820, 133802, 200703, 267604, 334505, 401406, 602109, 669010, 802812, 1003515, 1204218, 1338020, 2007030, 2408436, 3010545, 4014060, 6021090, 12042180]

約数ペア:

[(1, 12042180), (2, 6021090), (3, 4014060), (4, 3010545), (5, 2408436), (6, 2007030), (9, 1338020), (10, 1204218), (12, 1003515), (15, 802812), (18, 669010), (20, 602109), (30, 401406), (36, 334505), (45, 267604), (60, 200703), (90, 133802), (149, 80820), (180, 66901), (298, 40410), (447, 26940), (449, 26820), (596, 20205), (745, 16164), (894, 13470), (898, 13410), (1341, 8980), (1347, 8940), (1490, 8082), (1788, 6735), (1796, 6705), (2235, 5388), (2245, 5364), (2682, 4490), (2694, 4470), (2980, 4041)]