81776640

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{11}}^3$

素因数の和:65

約数の個数: 208

約数和(自身を含む): 287798976

約数和(自身を除く): 206022336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 256, 264, 320, 330, 352, 363, 384, 440, 480, 484, 512, 528, 605, 640, 660, 704, 726, 768, 880, 960, 968, 1024, 1056, 1210, 1280, 1320, 1331, 1408, 1452, 1536, 1760, 1815, 1920, 1936, 2048, 2112, 2420, 2560, 2640, 2662, 2816, 2904, 3072, 3520, 3630, 3840, 3872, 3993, 4096, 4224, 4840, 5120, 5280, 5324, 5632, 5808, 6144, 6655, 7040, 7260, 7680, 7744, 7986, 8448, 9680, 10240, 10560, 10648, 11264, 11616, 12288, 13310, 14080, 14520, 15360, 15488, 15972, 16896, 19360, 19965, 20480, 21120, 21296, 22528, 23232, 26620, 28160, 29040, 30720, 30976, 31944, 33792, 38720, 39930, 42240, 42592, 45056, 46464, 53240, 56320, 58080, 61440, 61952, 63888, 67584, 77440, 79860, 84480, 85184, 92928, 106480, 112640, 116160, 123904, 127776, 135168, 154880, 159720, 168960, 170368, 185856, 212960, 225280, 232320, 247808, 255552, 309760, 319440, 337920, 340736, 371712, 425920, 464640, 495616, 511104, 619520, 638880, 675840, 681472, 743424, 851840, 929280, 1022208, 1239040, 1277760, 1362944, 1486848, 1703680, 1858560, 2044416, 2478080, 2555520, 2725888, 3407360, 3717120, 4088832, 5111040, 5451776, 6814720, 7434240, 8177664, 10222080, 13629440, 16355328, 20444160, 27258880, 40888320, 81776640]

約数ペア:

[(1, 81776640), (2, 40888320), (3, 27258880), (4, 20444160), (5, 16355328), (6, 13629440), (8, 10222080), (10, 8177664), (11, 7434240), (12, 6814720), (15, 5451776), (16, 5111040), (20, 4088832), (22, 3717120), (24, 3407360), (30, 2725888), (32, 2555520), (33, 2478080), (40, 2044416), (44, 1858560), (48, 1703680), (55, 1486848), (60, 1362944), (64, 1277760), (66, 1239040), (80, 1022208), (88, 929280), (96, 851840), (110, 743424), (120, 681472), (121, 675840), (128, 638880), (132, 619520), (160, 511104), (165, 495616), (176, 464640), (192, 425920), (220, 371712), (240, 340736), (242, 337920), (256, 319440), (264, 309760), (320, 255552), (330, 247808), (352, 232320), (363, 225280), (384, 212960), (440, 185856), (480, 170368), (484, 168960), (512, 159720), (528, 154880), (605, 135168), (640, 127776), (660, 123904), (704, 116160), (726, 112640), (768, 106480), (880, 92928), (960, 85184), (968, 84480), (1024, 79860), (1056, 77440), (1210, 67584), (1280, 63888), (1320, 61952), (1331, 61440), (1408, 58080), (1452, 56320), (1536, 53240), (1760, 46464), (1815, 45056), (1920, 42592), (1936, 42240), (2048, 39930), (2112, 38720), (2420, 33792), (2560, 31944), (2640, 30976), (2662, 30720), (2816, 29040), (2904, 28160), (3072, 26620), (3520, 23232), (3630, 22528), (3840, 21296), (3872, 21120), (3993, 20480), (4096, 19965), (4224, 19360), (4840, 16896), (5120, 15972), (5280, 15488), (5324, 15360), (5632, 14520), (5808, 14080), (6144, 13310), (6655, 12288), (7040, 11616), (7260, 11264), (7680, 10648), (7744, 10560), (7986, 10240), (8448, 9680)]