178814720

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{2851}}^1$

素因数の和:2886

約数の個数: 108

約数和(自身を含む): 498421224

約数和(自身を除く): 319606504

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, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2851, 3136, 3920, 4480, 5702, 6272, 7840, 8960, 11404, 12544, 14255, 15680, 19957, 22808, 28510, 31360, 39914, 45616, 57020, 62720, 79828, 91232, 99785, 114040, 139699, 159656, 182464, 199570, 228080, 279398, 319312, 364928, 399140, 456160, 558796, 638624, 698495, 729856, 798280, 912320, 1117592, 1277248, 1396990, 1596560, 1824640, 2235184, 2554496, 2793980, 3193120, 3649280, 4470368, 5108992, 5587960, 6386240, 8940736, 11175920, 12772480, 17881472, 22351840, 25544960, 35762944, 44703680, 89407360, 178814720]

約数ペア:

[(1, 178814720), (2, 89407360), (4, 44703680), (5, 35762944), (7, 25544960), (8, 22351840), (10, 17881472), (14, 12772480), (16, 11175920), (20, 8940736), (28, 6386240), (32, 5587960), (35, 5108992), (40, 4470368), (49, 3649280), (56, 3193120), (64, 2793980), (70, 2554496), (80, 2235184), (98, 1824640), (112, 1596560), (128, 1396990), (140, 1277248), (160, 1117592), (196, 912320), (224, 798280), (245, 729856), (256, 698495), (280, 638624), (320, 558796), (392, 456160), (448, 399140), (490, 364928), (560, 319312), (640, 279398), (784, 228080), (896, 199570), (980, 182464), (1120, 159656), (1280, 139699), (1568, 114040), (1792, 99785), (1960, 91232), (2240, 79828), (2851, 62720), (3136, 57020), (3920, 45616), (4480, 39914), (5702, 31360), (6272, 28510), (7840, 22808), (8960, 19957), (11404, 15680), (12544, 14255)]