81875080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1191

約数の個数: 96

約数和(自身を含む): 220282200

約数和(自身を除く): 138407120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 740, 980, 1036, 1129, 1295, 1480, 1813, 1960, 2072, 2258, 2590, 3626, 4516, 5180, 5645, 7252, 7903, 9032, 9065, 10360, 11290, 14504, 15806, 18130, 22580, 31612, 36260, 39515, 41773, 45160, 55321, 63224, 72520, 79030, 83546, 110642, 158060, 167092, 208865, 221284, 276605, 292411, 316120, 334184, 417730, 442568, 553210, 584822, 835460, 1106420, 1169644, 1462055, 1670920, 2046877, 2212840, 2339288, 2924110, 4093754, 5848220, 8187508, 10234385, 11696440, 16375016, 20468770, 40937540, 81875080]

約数ペア:

[(1, 81875080), (2, 40937540), (4, 20468770), (5, 16375016), (7, 11696440), (8, 10234385), (10, 8187508), (14, 5848220), (20, 4093754), (28, 2924110), (35, 2339288), (37, 2212840), (40, 2046877), (49, 1670920), (56, 1462055), (70, 1169644), (74, 1106420), (98, 835460), (140, 584822), (148, 553210), (185, 442568), (196, 417730), (245, 334184), (259, 316120), (280, 292411), (296, 276605), (370, 221284), (392, 208865), (490, 167092), (518, 158060), (740, 110642), (980, 83546), (1036, 79030), (1129, 72520), (1295, 63224), (1480, 55321), (1813, 45160), (1960, 41773), (2072, 39515), (2258, 36260), (2590, 31612), (3626, 22580), (4516, 18130), (5180, 15806), (5645, 14504), (7252, 11290), (7903, 10360), (9032, 9065)]