1280276480

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 192

約数和(自身を含む): 3587613120

約数和(自身を除く): 2307336640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 256, 265, 280, 320, 337, 371, 424, 448, 512, 530, 560, 640, 674, 742, 848, 896, 1024, 1060, 1120, 1280, 1348, 1484, 1685, 1696, 1792, 1855, 2048, 2120, 2240, 2359, 2560, 2696, 2968, 3370, 3392, 3584, 3710, 4240, 4480, 4718, 5120, 5392, 5936, 6740, 6784, 7168, 7420, 8480, 8960, 9436, 10240, 10784, 11795, 11872, 13480, 13568, 14336, 14840, 16960, 17861, 17920, 18872, 21568, 23590, 23744, 26960, 27136, 29680, 33920, 35722, 35840, 37744, 43136, 47180, 47488, 53920, 54272, 59360, 67840, 71444, 71680, 75488, 86272, 89305, 94360, 94976, 107840, 108544, 118720, 125027, 135680, 142888, 150976, 172544, 178610, 188720, 189952, 215680, 237440, 250054, 271360, 285776, 301952, 345088, 357220, 377440, 379904, 431360, 474880, 500108, 542720, 571552, 603904, 625135, 690176, 714440, 754880, 759808, 862720, 949760, 1000216, 1143104, 1207808, 1250270, 1428880, 1509760, 1725440, 1899520, 2000432, 2286208, 2415616, 2500540, 2857760, 3019520, 3450880, 3799040, 4000864, 4572416, 4831232, 5001080, 5715520, 6039040, 8001728, 9144832, 10002160, 11431040, 12078080, 16003456, 18289664, 20004320, 22862080, 24156160, 32006912, 36579328, 40008640, 45724160, 64013824, 80017280, 91448320, 128027648, 160034560, 182896640, 256055296, 320069120, 640138240, 1280276480]

約数ペア:

[(1, 1280276480), (2, 640138240), (4, 320069120), (5, 256055296), (7, 182896640), (8, 160034560), (10, 128027648), (14, 91448320), (16, 80017280), (20, 64013824), (28, 45724160), (32, 40008640), (35, 36579328), (40, 32006912), (53, 24156160), (56, 22862080), (64, 20004320), (70, 18289664), (80, 16003456), (106, 12078080), (112, 11431040), (128, 10002160), (140, 9144832), (160, 8001728), (212, 6039040), (224, 5715520), (256, 5001080), (265, 4831232), (280, 4572416), (320, 4000864), (337, 3799040), (371, 3450880), (424, 3019520), (448, 2857760), (512, 2500540), (530, 2415616), (560, 2286208), (640, 2000432), (674, 1899520), (742, 1725440), (848, 1509760), (896, 1428880), (1024, 1250270), (1060, 1207808), (1120, 1143104), (1280, 1000216), (1348, 949760), (1484, 862720), (1685, 759808), (1696, 754880), (1792, 714440), (1855, 690176), (2048, 625135), (2120, 603904), (2240, 571552), (2359, 542720), (2560, 500108), (2696, 474880), (2968, 431360), (3370, 379904), (3392, 377440), (3584, 357220), (3710, 345088), (4240, 301952), (4480, 285776), (4718, 271360), (5120, 250054), (5392, 237440), (5936, 215680), (6740, 189952), (6784, 188720), (7168, 178610), (7420, 172544), (8480, 150976), (8960, 142888), (9436, 135680), (10240, 125027), (10784, 118720), (11795, 108544), (11872, 107840), (13480, 94976), (13568, 94360), (14336, 89305), (14840, 86272), (16960, 75488), (17861, 71680), (17920, 71444), (18872, 67840), (21568, 59360), (23590, 54272), (23744, 53920), (26960, 47488), (27136, 47180), (29680, 43136), (33920, 37744), (35722, 35840)]