280439712

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:636

約数の個数: 192

約数和(自身を含む): 947116800

約数和(自身を除く): 666677088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 89, 96, 108, 112, 126, 144, 168, 178, 189, 216, 224, 252, 267, 288, 336, 356, 378, 432, 504, 521, 534, 623, 672, 712, 756, 801, 864, 1008, 1042, 1068, 1246, 1424, 1512, 1563, 1602, 1869, 2016, 2084, 2136, 2403, 2492, 2848, 3024, 3126, 3204, 3647, 3738, 4168, 4272, 4689, 4806, 4984, 5607, 6048, 6252, 6408, 7294, 7476, 8336, 8544, 9378, 9612, 9968, 10941, 11214, 12504, 12816, 14067, 14588, 14952, 16672, 16821, 18756, 19224, 19936, 21882, 22428, 25008, 25632, 28134, 29176, 29904, 32823, 33642, 37512, 38448, 43764, 44856, 46369, 50016, 56268, 58352, 59808, 65646, 67284, 75024, 76896, 87528, 89712, 92738, 98469, 112536, 116704, 131292, 134568, 139107, 150048, 175056, 179424, 185476, 196938, 225072, 262584, 269136, 278214, 324583, 350112, 370952, 393876, 417321, 450144, 525168, 538272, 556428, 649166, 741904, 787752, 834642, 973749, 1050336, 1112856, 1251963, 1298332, 1483808, 1575504, 1669284, 1947498, 2225712, 2503926, 2596664, 2921247, 3151008, 3338568, 3894996, 4451424, 5007852, 5193328, 5842494, 6677136, 7789992, 8763741, 10015704, 10386656, 11684988, 13354272, 15579984, 17527482, 20031408, 23369976, 31159968, 35054964, 40062816, 46739952, 70109928, 93479904, 140219856, 280439712]

約数ペア:

[(1, 280439712), (2, 140219856), (3, 93479904), (4, 70109928), (6, 46739952), (7, 40062816), (8, 35054964), (9, 31159968), (12, 23369976), (14, 20031408), (16, 17527482), (18, 15579984), (21, 13354272), (24, 11684988), (27, 10386656), (28, 10015704), (32, 8763741), (36, 7789992), (42, 6677136), (48, 5842494), (54, 5193328), (56, 5007852), (63, 4451424), (72, 3894996), (84, 3338568), (89, 3151008), (96, 2921247), (108, 2596664), (112, 2503926), (126, 2225712), (144, 1947498), (168, 1669284), (178, 1575504), (189, 1483808), (216, 1298332), (224, 1251963), (252, 1112856), (267, 1050336), (288, 973749), (336, 834642), (356, 787752), (378, 741904), (432, 649166), (504, 556428), (521, 538272), (534, 525168), (623, 450144), (672, 417321), (712, 393876), (756, 370952), (801, 350112), (864, 324583), (1008, 278214), (1042, 269136), (1068, 262584), (1246, 225072), (1424, 196938), (1512, 185476), (1563, 179424), (1602, 175056), (1869, 150048), (2016, 139107), (2084, 134568), (2136, 131292), (2403, 116704), (2492, 112536), (2848, 98469), (3024, 92738), (3126, 89712), (3204, 87528), (3647, 76896), (3738, 75024), (4168, 67284), (4272, 65646), (4689, 59808), (4806, 58352), (4984, 56268), (5607, 50016), (6048, 46369), (6252, 44856), (6408, 43764), (7294, 38448), (7476, 37512), (8336, 33642), (8544, 32823), (9378, 29904), (9612, 29176), (9968, 28134), (10941, 25632), (11214, 25008), (12504, 22428), (12816, 21882), (14067, 19936), (14588, 19224), (14952, 18756), (16672, 16821)]