206180820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4457}}^1$

素因数の和:4729

約数の個数: 72

約数和(自身を含む): 627989544

約数和(自身を除く): 421808724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3855, 4457, 4626, 5140, 7710, 8914, 9252, 11565, 13371, 15420, 17828, 22285, 23130, 26742, 40113, 44570, 46260, 53484, 66855, 80226, 89140, 133710, 160452, 200565, 267420, 401130, 802260, 1145449, 2290898, 3436347, 4581796, 5727245, 6872694, 10309041, 11454490, 13745388, 17181735, 20618082, 22908980, 34363470, 41236164, 51545205, 68726940, 103090410, 206180820]

約数ペア:

[(1, 206180820), (2, 103090410), (3, 68726940), (4, 51545205), (5, 41236164), (6, 34363470), (9, 22908980), (10, 20618082), (12, 17181735), (15, 13745388), (18, 11454490), (20, 10309041), (30, 6872694), (36, 5727245), (45, 4581796), (60, 3436347), (90, 2290898), (180, 1145449), (257, 802260), (514, 401130), (771, 267420), (1028, 200565), (1285, 160452), (1542, 133710), (2313, 89140), (2570, 80226), (3084, 66855), (3855, 53484), (4457, 46260), (4626, 44570), (5140, 40113), (7710, 26742), (8914, 23130), (9252, 22285), (11565, 17828), (13371, 15420)]