268810440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 826277760

約数和(自身を除く): 557467320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 137, 166, 197, 249, 274, 332, 394, 411, 415, 498, 548, 591, 664, 685, 788, 822, 830, 985, 996, 1096, 1182, 1245, 1370, 1576, 1644, 1660, 1970, 1992, 2055, 2364, 2490, 2740, 2955, 3288, 3320, 3940, 4110, 4728, 4980, 5480, 5910, 7880, 8220, 9960, 11371, 11820, 16351, 16440, 22742, 23640, 26989, 32702, 34113, 45484, 49053, 53978, 56855, 65404, 68226, 80967, 81755, 90968, 98106, 107956, 113710, 130808, 134945, 136452, 161934, 163510, 170565, 196212, 215912, 227420, 245265, 269890, 272904, 323868, 327020, 341130, 392424, 404835, 454840, 490530, 539780, 647736, 654040, 682260, 809670, 981060, 1079560, 1364520, 1619340, 1962120, 2240087, 3238680, 4480174, 6720261, 8960348, 11200435, 13440522, 17920696, 22400870, 26881044, 33601305, 44801740, 53762088, 67202610, 89603480, 134405220, 268810440]

約数ペア:

[(1, 268810440), (2, 134405220), (3, 89603480), (4, 67202610), (5, 53762088), (6, 44801740), (8, 33601305), (10, 26881044), (12, 22400870), (15, 17920696), (20, 13440522), (24, 11200435), (30, 8960348), (40, 6720261), (60, 4480174), (83, 3238680), (120, 2240087), (137, 1962120), (166, 1619340), (197, 1364520), (249, 1079560), (274, 981060), (332, 809670), (394, 682260), (411, 654040), (415, 647736), (498, 539780), (548, 490530), (591, 454840), (664, 404835), (685, 392424), (788, 341130), (822, 327020), (830, 323868), (985, 272904), (996, 269890), (1096, 245265), (1182, 227420), (1245, 215912), (1370, 196212), (1576, 170565), (1644, 163510), (1660, 161934), (1970, 136452), (1992, 134945), (2055, 130808), (2364, 113710), (2490, 107956), (2740, 98106), (2955, 90968), (3288, 81755), (3320, 80967), (3940, 68226), (4110, 65404), (4728, 56855), (4980, 53978), (5480, 49053), (5910, 45484), (7880, 34113), (8220, 32702), (9960, 26989), (11371, 23640), (11820, 22742), (16351, 16440)]