998126080

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 240

約数和(自身を含む): 2847909240

約数和(自身を除く): 1849783160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 109, 112, 128, 140, 146, 160, 196, 218, 224, 245, 256, 280, 292, 320, 365, 392, 436, 448, 490, 511, 512, 545, 560, 584, 640, 730, 763, 784, 872, 896, 980, 1022, 1090, 1120, 1168, 1280, 1460, 1526, 1568, 1744, 1792, 1960, 2044, 2180, 2240, 2336, 2555, 2560, 2920, 3052, 3136, 3488, 3577, 3584, 3815, 3920, 4088, 4360, 4480, 4672, 5110, 5341, 5840, 6104, 6272, 6976, 7154, 7630, 7840, 7957, 8176, 8720, 8960, 9344, 10220, 10682, 11680, 12208, 12544, 13952, 14308, 15260, 15680, 15914, 16352, 17440, 17885, 17920, 18688, 20440, 21364, 23360, 24416, 25088, 26705, 27904, 28616, 30520, 31360, 31828, 32704, 34880, 35770, 37376, 39785, 40880, 42728, 46720, 48832, 53410, 55699, 55808, 57232, 61040, 62720, 63656, 65408, 69760, 71540, 79570, 81760, 85456, 93440, 97664, 106820, 111398, 114464, 122080, 125440, 127312, 130816, 139520, 143080, 159140, 163520, 170912, 186880, 195328, 213640, 222796, 228928, 244160, 254624, 261632, 278495, 279040, 286160, 318280, 327040, 341824, 389893, 390656, 427280, 445592, 457856, 488320, 509248, 556990, 572320, 636560, 654080, 683648, 779786, 854560, 891184, 915712, 976640, 1018496, 1113980, 1144640, 1273120, 1308160, 1367296, 1559572, 1709120, 1782368, 1831424, 1949465, 1953280, 2036992, 2227960, 2289280, 2546240, 2734592, 3119144, 3418240, 3564736, 3898930, 4073984, 4455920, 4578560, 5092480, 6238288, 6836480, 7129472, 7797860, 8911840, 9157120, 10184960, 12476576, 13672960, 14258944, 15595720, 17823680, 20369920, 24953152, 28517888, 31191440, 35647360, 49906304, 62382880, 71294720, 99812608, 124765760, 142589440, 199625216, 249531520, 499063040, 998126080]

約数ペア:

[(1, 998126080), (2, 499063040), (4, 249531520), (5, 199625216), (7, 142589440), (8, 124765760), (10, 99812608), (14, 71294720), (16, 62382880), (20, 49906304), (28, 35647360), (32, 31191440), (35, 28517888), (40, 24953152), (49, 20369920), (56, 17823680), (64, 15595720), (70, 14258944), (73, 13672960), (80, 12476576), (98, 10184960), (109, 9157120), (112, 8911840), (128, 7797860), (140, 7129472), (146, 6836480), (160, 6238288), (196, 5092480), (218, 4578560), (224, 4455920), (245, 4073984), (256, 3898930), (280, 3564736), (292, 3418240), (320, 3119144), (365, 2734592), (392, 2546240), (436, 2289280), (448, 2227960), (490, 2036992), (511, 1953280), (512, 1949465), (545, 1831424), (560, 1782368), (584, 1709120), (640, 1559572), (730, 1367296), (763, 1308160), (784, 1273120), (872, 1144640), (896, 1113980), (980, 1018496), (1022, 976640), (1090, 915712), (1120, 891184), (1168, 854560), (1280, 779786), (1460, 683648), (1526, 654080), (1568, 636560), (1744, 572320), (1792, 556990), (1960, 509248), (2044, 488320), (2180, 457856), (2240, 445592), (2336, 427280), (2555, 390656), (2560, 389893), (2920, 341824), (3052, 327040), (3136, 318280), (3488, 286160), (3577, 279040), (3584, 278495), (3815, 261632), (3920, 254624), (4088, 244160), (4360, 228928), (4480, 222796), (4672, 213640), (5110, 195328), (5341, 186880), (5840, 170912), (6104, 163520), (6272, 159140), (6976, 143080), (7154, 139520), (7630, 130816), (7840, 127312), (7957, 125440), (8176, 122080), (8720, 114464), (8960, 111398), (9344, 106820), (10220, 97664), (10682, 93440), (11680, 85456), (12208, 81760), (12544, 79570), (13952, 71540), (14308, 69760), (15260, 65408), (15680, 63656), (15914, 62720), (16352, 61040), (17440, 57232), (17885, 55808), (17920, 55699), (18688, 53410), (20440, 48832), (21364, 46720), (23360, 42728), (24416, 40880), (25088, 39785), (26705, 37376), (27904, 35770), (28616, 34880), (30520, 32704), (31360, 31828)]