12897540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 39661440

約数和(自身を除く): 26763900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 907, 948, 1185, 1422, 1580, 1814, 2370, 2721, 2844, 3555, 3628, 4535, 4740, 5442, 7110, 8163, 9070, 10884, 13605, 14220, 16326, 18140, 27210, 32652, 40815, 54420, 71653, 81630, 143306, 163260, 214959, 286612, 358265, 429918, 644877, 716530, 859836, 1074795, 1289754, 1433060, 2149590, 2579508, 3224385, 4299180, 6448770, 12897540]

約数ペア:

[(1, 12897540), (2, 6448770), (3, 4299180), (4, 3224385), (5, 2579508), (6, 2149590), (9, 1433060), (10, 1289754), (12, 1074795), (15, 859836), (18, 716530), (20, 644877), (30, 429918), (36, 358265), (45, 286612), (60, 214959), (79, 163260), (90, 143306), (158, 81630), (180, 71653), (237, 54420), (316, 40815), (395, 32652), (474, 27210), (711, 18140), (790, 16326), (907, 14220), (948, 13605), (1185, 10884), (1422, 9070), (1580, 8163), (1814, 7110), (2370, 5442), (2721, 4740), (2844, 4535), (3555, 3628)]