25729740

素因数分解:

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

素因数の和:879

約数の個数: 72

約数和(自身を含む): 78519168

約数和(自身を除く): 52789428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 641, 669, 892, 1115, 1282, 1338, 1923, 2007, 2230, 2564, 2676, 3205, 3345, 3846, 4014, 4460, 5769, 6410, 6690, 7692, 8028, 9615, 10035, 11538, 12820, 13380, 19230, 20070, 23076, 28845, 38460, 40140, 57690, 115380, 142943, 285886, 428829, 571772, 714715, 857658, 1286487, 1429430, 1715316, 2144145, 2572974, 2858860, 4288290, 5145948, 6432435, 8576580, 12864870, 25729740]

約数ペア:

[(1, 25729740), (2, 12864870), (3, 8576580), (4, 6432435), (5, 5145948), (6, 4288290), (9, 2858860), (10, 2572974), (12, 2144145), (15, 1715316), (18, 1429430), (20, 1286487), (30, 857658), (36, 714715), (45, 571772), (60, 428829), (90, 285886), (180, 142943), (223, 115380), (446, 57690), (641, 40140), (669, 38460), (892, 28845), (1115, 23076), (1282, 20070), (1338, 19230), (1923, 13380), (2007, 12820), (2230, 11538), (2564, 10035), (2676, 9615), (3205, 8028), (3345, 7692), (3846, 6690), (4014, 6410), (4460, 5769)]