71186220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{1153}}^1$

素因数の和:1189

約数の個数: 144

約数和(自身を含む): 252033600

約数和(自身を除く): 180847380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1153, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2306, 2940, 3087, 3430, 3459, 4116, 4410, 4612, 5145, 5765, 6174, 6860, 6918, 8071, 8820, 10290, 10377, 11530, 12348, 13836, 15435, 16142, 17295, 20580, 20754, 23060, 24213, 30870, 32284, 34590, 40355, 41508, 48426, 51885, 56497, 61740, 69180, 72639, 80710, 96852, 103770, 112994, 121065, 145278, 161420, 169491, 207540, 225988, 242130, 282485, 290556, 338982, 363195, 395479, 484260, 508473, 564970, 677964, 726390, 790958, 847455, 1016946, 1129940, 1186437, 1452780, 1581916, 1694910, 1977395, 2033892, 2372874, 2542365, 3389820, 3559311, 3954790, 4745748, 5084730, 5932185, 7118622, 7909580, 10169460, 11864370, 14237244, 17796555, 23728740, 35593110, 71186220]

約数ペア:

[(1, 71186220), (2, 35593110), (3, 23728740), (4, 17796555), (5, 14237244), (6, 11864370), (7, 10169460), (9, 7909580), (10, 7118622), (12, 5932185), (14, 5084730), (15, 4745748), (18, 3954790), (20, 3559311), (21, 3389820), (28, 2542365), (30, 2372874), (35, 2033892), (36, 1977395), (42, 1694910), (45, 1581916), (49, 1452780), (60, 1186437), (63, 1129940), (70, 1016946), (84, 847455), (90, 790958), (98, 726390), (105, 677964), (126, 564970), (140, 508473), (147, 484260), (180, 395479), (196, 363195), (210, 338982), (245, 290556), (252, 282485), (294, 242130), (315, 225988), (343, 207540), (420, 169491), (441, 161420), (490, 145278), (588, 121065), (630, 112994), (686, 103770), (735, 96852), (882, 80710), (980, 72639), (1029, 69180), (1153, 61740), (1260, 56497), (1372, 51885), (1470, 48426), (1715, 41508), (1764, 40355), (2058, 34590), (2205, 32284), (2306, 30870), (2940, 24213), (3087, 23060), (3430, 20754), (3459, 20580), (4116, 17295), (4410, 16142), (4612, 15435), (5145, 13836), (5765, 12348), (6174, 11530), (6860, 10377), (6918, 10290), (8071, 8820)]