9994880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 28788480

約数和(自身を除く): 18793600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 97, 112, 115, 128, 140, 160, 161, 184, 194, 224, 230, 280, 320, 322, 368, 388, 448, 460, 485, 560, 640, 644, 679, 736, 776, 805, 896, 920, 970, 1120, 1288, 1358, 1472, 1552, 1610, 1840, 1940, 2231, 2240, 2576, 2716, 2944, 3104, 3220, 3395, 3680, 3880, 4462, 4480, 5152, 5432, 6208, 6440, 6790, 7360, 7760, 8924, 10304, 10864, 11155, 12416, 12880, 13580, 14720, 15520, 15617, 17848, 20608, 21728, 22310, 25760, 27160, 31040, 31234, 35696, 43456, 44620, 51520, 54320, 62080, 62468, 71392, 78085, 86912, 89240, 103040, 108640, 124936, 142784, 156170, 178480, 217280, 249872, 285568, 312340, 356960, 434560, 499744, 624680, 713920, 999488, 1249360, 1427840, 1998976, 2498720, 4997440, 9994880]

約数ペア:

[(1, 9994880), (2, 4997440), (4, 2498720), (5, 1998976), (7, 1427840), (8, 1249360), (10, 999488), (14, 713920), (16, 624680), (20, 499744), (23, 434560), (28, 356960), (32, 312340), (35, 285568), (40, 249872), (46, 217280), (56, 178480), (64, 156170), (70, 142784), (80, 124936), (92, 108640), (97, 103040), (112, 89240), (115, 86912), (128, 78085), (140, 71392), (160, 62468), (161, 62080), (184, 54320), (194, 51520), (224, 44620), (230, 43456), (280, 35696), (320, 31234), (322, 31040), (368, 27160), (388, 25760), (448, 22310), (460, 21728), (485, 20608), (560, 17848), (640, 15617), (644, 15520), (679, 14720), (736, 13580), (776, 12880), (805, 12416), (896, 11155), (920, 10864), (970, 10304), (1120, 8924), (1288, 7760), (1358, 7360), (1472, 6790), (1552, 6440), (1610, 6208), (1840, 5432), (1940, 5152), (2231, 4480), (2240, 4462), (2576, 3880), (2716, 3680), (2944, 3395), (3104, 3220)]