12378240

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1$

素因数の和:339

約数の個数: 192

約数和(自身を含む): 49008960

約数和(自身を除く): 36630720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 307, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 614, 630, 640, 672, 720, 840, 896, 921, 960, 1008, 1120, 1152, 1228, 1260, 1344, 1440, 1535, 1680, 1842, 1920, 2016, 2149, 2240, 2456, 2520, 2688, 2763, 2880, 3070, 3360, 3684, 4032, 4298, 4480, 4605, 4912, 5040, 5526, 5760, 6140, 6447, 6720, 7368, 8064, 8596, 9210, 9824, 10080, 10745, 11052, 12280, 12894, 13440, 13815, 14736, 17192, 18420, 19341, 19648, 20160, 21490, 22104, 24560, 25788, 27630, 29472, 32235, 34384, 36840, 38682, 39296, 40320, 42980, 44208, 49120, 51576, 55260, 58944, 64470, 68768, 73680, 77364, 85960, 88416, 96705, 98240, 103152, 110520, 117888, 128940, 137536, 147360, 154728, 171920, 176832, 193410, 196480, 206304, 221040, 257880, 275072, 294720, 309456, 343840, 353664, 386820, 412608, 442080, 515760, 589440, 618912, 687680, 773640, 825216, 884160, 1031520, 1237824, 1375360, 1547280, 1768320, 2063040, 2475648, 3094560, 4126080, 6189120, 12378240]

約数ペア:

[(1, 12378240), (2, 6189120), (3, 4126080), (4, 3094560), (5, 2475648), (6, 2063040), (7, 1768320), (8, 1547280), (9, 1375360), (10, 1237824), (12, 1031520), (14, 884160), (15, 825216), (16, 773640), (18, 687680), (20, 618912), (21, 589440), (24, 515760), (28, 442080), (30, 412608), (32, 386820), (35, 353664), (36, 343840), (40, 309456), (42, 294720), (45, 275072), (48, 257880), (56, 221040), (60, 206304), (63, 196480), (64, 193410), (70, 176832), (72, 171920), (80, 154728), (84, 147360), (90, 137536), (96, 128940), (105, 117888), (112, 110520), (120, 103152), (126, 98240), (128, 96705), (140, 88416), (144, 85960), (160, 77364), (168, 73680), (180, 68768), (192, 64470), (210, 58944), (224, 55260), (240, 51576), (252, 49120), (280, 44208), (288, 42980), (307, 40320), (315, 39296), (320, 38682), (336, 36840), (360, 34384), (384, 32235), (420, 29472), (448, 27630), (480, 25788), (504, 24560), (560, 22104), (576, 21490), (614, 20160), (630, 19648), (640, 19341), (672, 18420), (720, 17192), (840, 14736), (896, 13815), (921, 13440), (960, 12894), (1008, 12280), (1120, 11052), (1152, 10745), (1228, 10080), (1260, 9824), (1344, 9210), (1440, 8596), (1535, 8064), (1680, 7368), (1842, 6720), (1920, 6447), (2016, 6140), (2149, 5760), (2240, 5526), (2456, 5040), (2520, 4912), (2688, 4605), (2763, 4480), (2880, 4298), (3070, 4032), (3360, 3684)]