265668760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 713687040

約数和(自身を除く): 448018280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 127, 140, 155, 217, 241, 248, 254, 280, 310, 434, 482, 508, 620, 635, 868, 889, 964, 1016, 1085, 1205, 1240, 1270, 1687, 1736, 1778, 1928, 2170, 2410, 2540, 3374, 3556, 3937, 4340, 4445, 4820, 5080, 6748, 7112, 7471, 7874, 8435, 8680, 8890, 9640, 13496, 14942, 15748, 16870, 17780, 19685, 27559, 29884, 30607, 31496, 33740, 35560, 37355, 39370, 52297, 55118, 59768, 61214, 67480, 74710, 78740, 104594, 110236, 122428, 137795, 149420, 153035, 157480, 209188, 214249, 220472, 244856, 261485, 275590, 298840, 306070, 418376, 428498, 522970, 551180, 612140, 856996, 948817, 1045940, 1071245, 1102360, 1224280, 1713992, 1897634, 2091880, 2142490, 3795268, 4284980, 4744085, 6641719, 7590536, 8569960, 9488170, 13283438, 18976340, 26566876, 33208595, 37952680, 53133752, 66417190, 132834380, 265668760]

約数ペア:

[(1, 265668760), (2, 132834380), (4, 66417190), (5, 53133752), (7, 37952680), (8, 33208595), (10, 26566876), (14, 18976340), (20, 13283438), (28, 9488170), (31, 8569960), (35, 7590536), (40, 6641719), (56, 4744085), (62, 4284980), (70, 3795268), (124, 2142490), (127, 2091880), (140, 1897634), (155, 1713992), (217, 1224280), (241, 1102360), (248, 1071245), (254, 1045940), (280, 948817), (310, 856996), (434, 612140), (482, 551180), (508, 522970), (620, 428498), (635, 418376), (868, 306070), (889, 298840), (964, 275590), (1016, 261485), (1085, 244856), (1205, 220472), (1240, 214249), (1270, 209188), (1687, 157480), (1736, 153035), (1778, 149420), (1928, 137795), (2170, 122428), (2410, 110236), (2540, 104594), (3374, 78740), (3556, 74710), (3937, 67480), (4340, 61214), (4445, 59768), (4820, 55118), (5080, 52297), (6748, 39370), (7112, 37355), (7471, 35560), (7874, 33740), (8435, 31496), (8680, 30607), (8890, 29884), (9640, 27559), (13496, 19685), (14942, 17780), (15748, 16870)]