160814080

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{641}}^1$

素因数の和:680

約数の個数: 132

約数和(自身を含む): 449447508

約数和(自身を除く): 288633428

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 641, 784, 896, 980, 1024, 1120, 1280, 1282, 1568, 1792, 1960, 2240, 2560, 2564, 3136, 3205, 3584, 3920, 4480, 4487, 5120, 5128, 6272, 6410, 7168, 7840, 8960, 8974, 10256, 12544, 12820, 15680, 17920, 17948, 20512, 22435, 25088, 25640, 31360, 31409, 35840, 35896, 41024, 44870, 50176, 51280, 62720, 62818, 71792, 82048, 89740, 102560, 125440, 125636, 143584, 157045, 164096, 179480, 205120, 250880, 251272, 287168, 314090, 328192, 358960, 410240, 502544, 574336, 628180, 656384, 717920, 820480, 1005088, 1148672, 1256360, 1435840, 1640960, 2010176, 2297344, 2512720, 2871680, 3281920, 4020352, 4594688, 5025440, 5743360, 8040704, 10050880, 11486720, 16081408, 20101760, 22973440, 32162816, 40203520, 80407040, 160814080]

約数ペア:

[(1, 160814080), (2, 80407040), (4, 40203520), (5, 32162816), (7, 22973440), (8, 20101760), (10, 16081408), (14, 11486720), (16, 10050880), (20, 8040704), (28, 5743360), (32, 5025440), (35, 4594688), (40, 4020352), (49, 3281920), (56, 2871680), (64, 2512720), (70, 2297344), (80, 2010176), (98, 1640960), (112, 1435840), (128, 1256360), (140, 1148672), (160, 1005088), (196, 820480), (224, 717920), (245, 656384), (256, 628180), (280, 574336), (320, 502544), (392, 410240), (448, 358960), (490, 328192), (512, 314090), (560, 287168), (640, 251272), (641, 250880), (784, 205120), (896, 179480), (980, 164096), (1024, 157045), (1120, 143584), (1280, 125636), (1282, 125440), (1568, 102560), (1792, 89740), (1960, 82048), (2240, 71792), (2560, 62818), (2564, 62720), (3136, 51280), (3205, 50176), (3584, 44870), (3920, 41024), (4480, 35896), (4487, 35840), (5120, 31409), (5128, 31360), (6272, 25640), (6410, 25088), (7168, 22435), (7840, 20512), (8960, 17948), (8974, 17920), (10256, 15680), (12544, 12820)]