12808480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:326

約数の個数: 72

約数和(自身を含む): 32260788

約数和(自身を除く): 19452308

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 277, 289, 340, 544, 554, 578, 680, 1108, 1156, 1360, 1385, 1445, 2216, 2312, 2720, 2770, 2890, 4432, 4624, 4709, 5540, 5780, 8864, 9248, 9418, 11080, 11560, 18836, 22160, 23120, 23545, 37672, 44320, 46240, 47090, 75344, 80053, 94180, 150688, 160106, 188360, 320212, 376720, 400265, 640424, 753440, 800530, 1280848, 1601060, 2561696, 3202120, 6404240, 12808480]

約数ペア:

[(1, 12808480), (2, 6404240), (4, 3202120), (5, 2561696), (8, 1601060), (10, 1280848), (16, 800530), (17, 753440), (20, 640424), (32, 400265), (34, 376720), (40, 320212), (68, 188360), (80, 160106), (85, 150688), (136, 94180), (160, 80053), (170, 75344), (272, 47090), (277, 46240), (289, 44320), (340, 37672), (544, 23545), (554, 23120), (578, 22160), (680, 18836), (1108, 11560), (1156, 11080), (1360, 9418), (1385, 9248), (1445, 8864), (2216, 5780), (2312, 5540), (2720, 4709), (2770, 4624), (2890, 4432)]