12273920

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 30218496

約数和(自身を除く): 17944576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 223, 256, 320, 344, 430, 446, 640, 688, 860, 892, 1115, 1280, 1376, 1720, 1784, 2230, 2752, 3440, 3568, 4460, 5504, 6880, 7136, 8920, 9589, 11008, 13760, 14272, 17840, 19178, 27520, 28544, 35680, 38356, 47945, 55040, 57088, 71360, 76712, 95890, 142720, 153424, 191780, 285440, 306848, 383560, 613696, 767120, 1227392, 1534240, 2454784, 3068480, 6136960, 12273920]

約数ペア:

[(1, 12273920), (2, 6136960), (4, 3068480), (5, 2454784), (8, 1534240), (10, 1227392), (16, 767120), (20, 613696), (32, 383560), (40, 306848), (43, 285440), (64, 191780), (80, 153424), (86, 142720), (128, 95890), (160, 76712), (172, 71360), (215, 57088), (223, 55040), (256, 47945), (320, 38356), (344, 35680), (430, 28544), (446, 27520), (640, 19178), (688, 17840), (860, 14272), (892, 13760), (1115, 11008), (1280, 9589), (1376, 8920), (1720, 7136), (1784, 6880), (2230, 5504), (2752, 4460), (3440, 3568)]