221757720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80347}}^1$

素因数の和:80384

約数の個数: 64

約数和(自身を含む): 694206720

約数和(自身を除く): 472449000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 80347, 160694, 241041, 321388, 401735, 482082, 642776, 803470, 964164, 1205205, 1606940, 1847981, 1928328, 2410410, 3213880, 3695962, 4820820, 5543943, 7391924, 9239905, 9641640, 11087886, 14783848, 18479810, 22175772, 27719715, 36959620, 44351544, 55439430, 73919240, 110878860, 221757720]

約数ペア:

[(1, 221757720), (2, 110878860), (3, 73919240), (4, 55439430), (5, 44351544), (6, 36959620), (8, 27719715), (10, 22175772), (12, 18479810), (15, 14783848), (20, 11087886), (23, 9641640), (24, 9239905), (30, 7391924), (40, 5543943), (46, 4820820), (60, 3695962), (69, 3213880), (92, 2410410), (115, 1928328), (120, 1847981), (138, 1606940), (184, 1205205), (230, 964164), (276, 803470), (345, 642776), (460, 482082), (552, 401735), (690, 321388), (920, 241041), (1380, 160694), (2760, 80347)]