2921431040

素因数分解:

$2^{15}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1667

約数の個数: 128

約数和(自身を含む): 7653439440

約数和(自身を除く): 4732008400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1621, 1760, 2048, 2560, 2816, 3242, 3520, 4096, 5120, 5632, 6484, 7040, 8105, 8192, 10240, 11264, 12968, 14080, 16210, 16384, 17831, 20480, 22528, 25936, 28160, 32420, 32768, 35662, 40960, 45056, 51872, 56320, 64840, 71324, 81920, 89155, 90112, 103744, 112640, 129680, 142648, 163840, 178310, 180224, 207488, 225280, 259360, 285296, 356620, 360448, 414976, 450560, 518720, 570592, 713240, 829952, 901120, 1037440, 1141184, 1426480, 1659904, 1802240, 2074880, 2282368, 2852960, 3319808, 4149760, 4564736, 5705920, 6639616, 8299520, 9129472, 11411840, 13279232, 16599040, 18258944, 22823680, 26558464, 33198080, 36517888, 45647360, 53116928, 66396160, 73035776, 91294720, 132792320, 146071552, 182589440, 265584640, 292143104, 365178880, 584286208, 730357760, 1460715520, 2921431040]

約数ペア:

[(1, 2921431040), (2, 1460715520), (4, 730357760), (5, 584286208), (8, 365178880), (10, 292143104), (11, 265584640), (16, 182589440), (20, 146071552), (22, 132792320), (32, 91294720), (40, 73035776), (44, 66396160), (55, 53116928), (64, 45647360), (80, 36517888), (88, 33198080), (110, 26558464), (128, 22823680), (160, 18258944), (176, 16599040), (220, 13279232), (256, 11411840), (320, 9129472), (352, 8299520), (440, 6639616), (512, 5705920), (640, 4564736), (704, 4149760), (880, 3319808), (1024, 2852960), (1280, 2282368), (1408, 2074880), (1621, 1802240), (1760, 1659904), (2048, 1426480), (2560, 1141184), (2816, 1037440), (3242, 901120), (3520, 829952), (4096, 713240), (5120, 570592), (5632, 518720), (6484, 450560), (7040, 414976), (8105, 360448), (8192, 356620), (10240, 285296), (11264, 259360), (12968, 225280), (14080, 207488), (16210, 180224), (16384, 178310), (17831, 163840), (20480, 142648), (22528, 129680), (25936, 112640), (28160, 103744), (32420, 90112), (32768, 89155), (35662, 81920), (40960, 71324), (45056, 64840), (51872, 56320)]