278524480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 774240768

約数和(自身を除く): 495716288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 41, 46, 52, 64, 65, 71, 80, 82, 92, 104, 115, 130, 142, 160, 164, 184, 205, 208, 230, 260, 284, 299, 320, 328, 355, 368, 410, 416, 460, 520, 533, 568, 598, 656, 710, 736, 820, 832, 920, 923, 943, 1040, 1066, 1136, 1196, 1312, 1420, 1472, 1495, 1633, 1640, 1840, 1846, 1886, 2080, 2132, 2272, 2392, 2624, 2665, 2840, 2911, 2990, 3266, 3280, 3680, 3692, 3772, 4160, 4264, 4544, 4615, 4715, 4784, 5330, 5680, 5822, 5980, 6532, 6560, 7360, 7384, 7544, 8165, 8528, 9230, 9430, 9568, 10660, 11360, 11644, 11960, 12259, 13064, 13120, 14555, 14768, 15088, 16330, 17056, 18460, 18860, 19136, 21229, 21320, 22720, 23288, 23920, 24518, 26128, 29110, 29536, 30176, 32660, 34112, 36920, 37720, 37843, 42458, 42640, 46576, 47840, 49036, 52256, 58220, 59072, 60352, 61295, 65320, 66953, 73840, 75440, 75686, 84916, 85280, 93152, 95680, 98072, 104512, 106145, 116440, 122590, 130640, 133906, 147680, 150880, 151372, 169832, 170560, 186304, 189215, 196144, 212290, 232880, 245180, 261280, 267812, 295360, 301760, 302744, 334765, 339664, 378430, 392288, 424580, 465760, 490360, 522560, 535624, 605488, 669530, 679328, 756860, 784576, 849160, 870389, 931520, 980720, 1071248, 1210976, 1339060, 1358656, 1513720, 1698320, 1740778, 1961440, 2142496, 2421952, 2678120, 3027440, 3396640, 3481556, 3922880, 4284992, 4351945, 5356240, 6054880, 6793280, 6963112, 8703890, 10712480, 12109760, 13926224, 17407780, 21424960, 27852448, 34815560, 55704896, 69631120, 139262240, 278524480]

約数ペア:

[(1, 278524480), (2, 139262240), (4, 69631120), (5, 55704896), (8, 34815560), (10, 27852448), (13, 21424960), (16, 17407780), (20, 13926224), (23, 12109760), (26, 10712480), (32, 8703890), (40, 6963112), (41, 6793280), (46, 6054880), (52, 5356240), (64, 4351945), (65, 4284992), (71, 3922880), (80, 3481556), (82, 3396640), (92, 3027440), (104, 2678120), (115, 2421952), (130, 2142496), (142, 1961440), (160, 1740778), (164, 1698320), (184, 1513720), (205, 1358656), (208, 1339060), (230, 1210976), (260, 1071248), (284, 980720), (299, 931520), (320, 870389), (328, 849160), (355, 784576), (368, 756860), (410, 679328), (416, 669530), (460, 605488), (520, 535624), (533, 522560), (568, 490360), (598, 465760), (656, 424580), (710, 392288), (736, 378430), (820, 339664), (832, 334765), (920, 302744), (923, 301760), (943, 295360), (1040, 267812), (1066, 261280), (1136, 245180), (1196, 232880), (1312, 212290), (1420, 196144), (1472, 189215), (1495, 186304), (1633, 170560), (1640, 169832), (1840, 151372), (1846, 150880), (1886, 147680), (2080, 133906), (2132, 130640), (2272, 122590), (2392, 116440), (2624, 106145), (2665, 104512), (2840, 98072), (2911, 95680), (2990, 93152), (3266, 85280), (3280, 84916), (3680, 75686), (3692, 75440), (3772, 73840), (4160, 66953), (4264, 65320), (4544, 61295), (4615, 60352), (4715, 59072), (4784, 58220), (5330, 52256), (5680, 49036), (5822, 47840), (5980, 46576), (6532, 42640), (6560, 42458), (7360, 37843), (7384, 37720), (7544, 36920), (8165, 34112), (8528, 32660), (9230, 30176), (9430, 29536), (9568, 29110), (10660, 26128), (11360, 24518), (11644, 23920), (11960, 23288), (12259, 22720), (13064, 21320), (13120, 21229), (14555, 19136), (14768, 18860), (15088, 18460), (16330, 17056)]