12256740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 37510200

約数和(自身を除く): 25253460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 457, 596, 745, 894, 914, 1341, 1371, 1490, 1788, 1828, 2235, 2285, 2682, 2742, 2980, 4113, 4470, 4570, 5364, 5484, 6705, 6855, 8226, 8940, 9140, 13410, 13710, 16452, 20565, 26820, 27420, 41130, 68093, 82260, 136186, 204279, 272372, 340465, 408558, 612837, 680930, 817116, 1021395, 1225674, 1361860, 2042790, 2451348, 3064185, 4085580, 6128370, 12256740]

約数ペア:

[(1, 12256740), (2, 6128370), (3, 4085580), (4, 3064185), (5, 2451348), (6, 2042790), (9, 1361860), (10, 1225674), (12, 1021395), (15, 817116), (18, 680930), (20, 612837), (30, 408558), (36, 340465), (45, 272372), (60, 204279), (90, 136186), (149, 82260), (180, 68093), (298, 41130), (447, 27420), (457, 26820), (596, 20565), (745, 16452), (894, 13710), (914, 13410), (1341, 9140), (1371, 8940), (1490, 8226), (1788, 6855), (1828, 6705), (2235, 5484), (2285, 5364), (2682, 4570), (2742, 4470), (2980, 4113)]