131652920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20443}}^1$

素因数の和:20484

約数の個数: 64

約数和(自身を含む): 353272320

約数和(自身を除く): 221619400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 20443, 40886, 81772, 102215, 143101, 163544, 204430, 286202, 408860, 470189, 572404, 715505, 817720, 940378, 1144808, 1431010, 1880756, 2350945, 2862020, 3291323, 3761512, 4701890, 5724040, 6582646, 9403780, 13165292, 16456615, 18807560, 26330584, 32913230, 65826460, 131652920]

約数ペア:

[(1, 131652920), (2, 65826460), (4, 32913230), (5, 26330584), (7, 18807560), (8, 16456615), (10, 13165292), (14, 9403780), (20, 6582646), (23, 5724040), (28, 4701890), (35, 3761512), (40, 3291323), (46, 2862020), (56, 2350945), (70, 1880756), (92, 1431010), (115, 1144808), (140, 940378), (161, 817720), (184, 715505), (230, 572404), (280, 470189), (322, 408860), (460, 286202), (644, 204430), (805, 163544), (920, 143101), (1288, 102215), (1610, 81772), (3220, 40886), (6440, 20443)]