254741880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^2$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 806832360

約数和(自身を除く): 552090480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 465, 470, 564, 620, 705, 744, 930, 940, 961, 1128, 1240, 1410, 1457, 1860, 1880, 1922, 2209, 2820, 2883, 2914, 3720, 3844, 4371, 4418, 4805, 5640, 5766, 5828, 6627, 7285, 7688, 8742, 8836, 9610, 11045, 11532, 11656, 13254, 14415, 14570, 17484, 17672, 19220, 21855, 22090, 23064, 26508, 28830, 29140, 33135, 34968, 38440, 43710, 44180, 45167, 53016, 57660, 58280, 66270, 68479, 87420, 88360, 90334, 115320, 132540, 135501, 136958, 174840, 180668, 205437, 225835, 265080, 271002, 273916, 342395, 361336, 410874, 451670, 542004, 547832, 677505, 684790, 821748, 903340, 1027185, 1084008, 1355010, 1369580, 1643496, 1806680, 2054370, 2122849, 2710020, 2739160, 4108740, 4245698, 5420040, 6368547, 8217480, 8491396, 10614245, 12737094, 16982792, 21228490, 25474188, 31842735, 42456980, 50948376, 63685470, 84913960, 127370940, 254741880]

約数ペア:

[(1, 254741880), (2, 127370940), (3, 84913960), (4, 63685470), (5, 50948376), (6, 42456980), (8, 31842735), (10, 25474188), (12, 21228490), (15, 16982792), (20, 12737094), (24, 10614245), (30, 8491396), (31, 8217480), (40, 6368547), (47, 5420040), (60, 4245698), (62, 4108740), (93, 2739160), (94, 2710020), (120, 2122849), (124, 2054370), (141, 1806680), (155, 1643496), (186, 1369580), (188, 1355010), (235, 1084008), (248, 1027185), (282, 903340), (310, 821748), (372, 684790), (376, 677505), (465, 547832), (470, 542004), (564, 451670), (620, 410874), (705, 361336), (744, 342395), (930, 273916), (940, 271002), (961, 265080), (1128, 225835), (1240, 205437), (1410, 180668), (1457, 174840), (1860, 136958), (1880, 135501), (1922, 132540), (2209, 115320), (2820, 90334), (2883, 88360), (2914, 87420), (3720, 68479), (3844, 66270), (4371, 58280), (4418, 57660), (4805, 53016), (5640, 45167), (5766, 44180), (5828, 43710), (6627, 38440), (7285, 34968), (7688, 33135), (8742, 29140), (8836, 28830), (9610, 26508), (11045, 23064), (11532, 22090), (11656, 21855), (13254, 19220), (14415, 17672), (14570, 17484)]