67500640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:516

約数の個数: 72

約数和(自身を含む): 165155760

約数和(自身を除く): 97655120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 439, 496, 620, 878, 961, 992, 1240, 1756, 1922, 2195, 2480, 3512, 3844, 4390, 4805, 4960, 7024, 7688, 8780, 9610, 13609, 14048, 15376, 17560, 19220, 27218, 30752, 35120, 38440, 54436, 68045, 70240, 76880, 108872, 136090, 153760, 217744, 272180, 421879, 435488, 544360, 843758, 1088720, 1687516, 2109395, 2177440, 3375032, 4218790, 6750064, 8437580, 13500128, 16875160, 33750320, 67500640]

約数ペア:

[(1, 67500640), (2, 33750320), (4, 16875160), (5, 13500128), (8, 8437580), (10, 6750064), (16, 4218790), (20, 3375032), (31, 2177440), (32, 2109395), (40, 1687516), (62, 1088720), (80, 843758), (124, 544360), (155, 435488), (160, 421879), (248, 272180), (310, 217744), (439, 153760), (496, 136090), (620, 108872), (878, 76880), (961, 70240), (992, 68045), (1240, 54436), (1756, 38440), (1922, 35120), (2195, 30752), (2480, 27218), (3512, 19220), (3844, 17560), (4390, 15376), (4805, 14048), (4960, 13609), (7024, 9610), (7688, 8780)]