1444800680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{1879}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 3329856000

約数和(自身を除く): 1885055320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 409, 470, 818, 940, 1636, 1879, 1880, 2045, 3272, 3758, 4090, 7516, 8180, 9395, 15032, 16360, 18790, 19223, 37580, 38446, 75160, 76892, 88313, 96115, 153784, 176626, 192230, 353252, 384460, 441565, 706504, 768511, 768920, 883130, 1537022, 1766260, 3074044, 3532520, 3842555, 6148088, 7685110, 15370220, 30740440, 36120017, 72240034, 144480068, 180600085, 288960136, 361200170, 722400340, 1444800680]

約数ペア:

[(1, 1444800680), (2, 722400340), (4, 361200170), (5, 288960136), (8, 180600085), (10, 144480068), (20, 72240034), (40, 36120017), (47, 30740440), (94, 15370220), (188, 7685110), (235, 6148088), (376, 3842555), (409, 3532520), (470, 3074044), (818, 1766260), (940, 1537022), (1636, 883130), (1879, 768920), (1880, 768511), (2045, 706504), (3272, 441565), (3758, 384460), (4090, 353252), (7516, 192230), (8180, 176626), (9395, 153784), (15032, 96115), (16360, 88313), (18790, 76892), (19223, 75160), (37580, 38446)]