12864870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 33651072

約数和(自身を除く): 20786202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 641, 669, 1115, 1282, 1338, 1923, 2007, 2230, 3205, 3345, 3846, 4014, 5769, 6410, 6690, 9615, 10035, 11538, 19230, 20070, 28845, 57690, 142943, 285886, 428829, 714715, 857658, 1286487, 1429430, 2144145, 2572974, 4288290, 6432435, 12864870]

約数ペア:

[(1, 12864870), (2, 6432435), (3, 4288290), (5, 2572974), (6, 2144145), (9, 1429430), (10, 1286487), (15, 857658), (18, 714715), (30, 428829), (45, 285886), (90, 142943), (223, 57690), (446, 28845), (641, 20070), (669, 19230), (1115, 11538), (1282, 10035), (1338, 9615), (1923, 6690), (2007, 6410), (2230, 5769), (3205, 4014), (3345, 3846)]