12561729040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307283}}^1$

素因数の和:307376

約数の個数: 80

約数和(自身を含む): 33835655808

約数和(自身を除く): 21273926768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 20440, 40880, 307283, 614566, 1229132, 1536415, 2150981, 2458264, 3072830, 4301962, 4916528, 6145660, 8603924, 10754905, 12291320, 17207848, 21509810, 22431659, 24582640, 34415696, 43019620, 44863318, 86039240, 89726636, 112158295, 157021613, 172078480, 179453272, 224316590, 314043226, 358906544, 448633180, 628086452, 785108065, 897266360, 1256172904, 1570216130, 1794532720, 2512345808, 3140432260, 6280864520, 12561729040]

約数ペア:

[(1, 12561729040), (2, 6280864520), (4, 3140432260), (5, 2512345808), (7, 1794532720), (8, 1570216130), (10, 1256172904), (14, 897266360), (16, 785108065), (20, 628086452), (28, 448633180), (35, 358906544), (40, 314043226), (56, 224316590), (70, 179453272), (73, 172078480), (80, 157021613), (112, 112158295), (140, 89726636), (146, 86039240), (280, 44863318), (292, 43019620), (365, 34415696), (511, 24582640), (560, 22431659), (584, 21509810), (730, 17207848), (1022, 12291320), (1168, 10754905), (1460, 8603924), (2044, 6145660), (2555, 4916528), (2920, 4301962), (4088, 3072830), (5110, 2458264), (5840, 2150981), (8176, 1536415), (10220, 1229132), (20440, 614566), (40880, 307283)]