27895280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 74965440

約数和(自身を除く): 47070160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 457, 545, 560, 763, 872, 914, 1090, 1526, 1744, 1828, 2180, 2285, 3052, 3199, 3656, 3815, 4360, 4570, 6104, 6398, 7312, 7630, 8720, 9140, 12208, 12796, 15260, 15995, 18280, 25592, 30520, 31990, 36560, 49813, 51184, 61040, 63980, 99626, 127960, 199252, 249065, 255920, 348691, 398504, 498130, 697382, 797008, 996260, 1394764, 1743455, 1992520, 2789528, 3486910, 3985040, 5579056, 6973820, 13947640, 27895280]

約数ペア:

[(1, 27895280), (2, 13947640), (4, 6973820), (5, 5579056), (7, 3985040), (8, 3486910), (10, 2789528), (14, 1992520), (16, 1743455), (20, 1394764), (28, 996260), (35, 797008), (40, 697382), (56, 498130), (70, 398504), (80, 348691), (109, 255920), (112, 249065), (140, 199252), (218, 127960), (280, 99626), (436, 63980), (457, 61040), (545, 51184), (560, 49813), (763, 36560), (872, 31990), (914, 30520), (1090, 25592), (1526, 18280), (1744, 15995), (1828, 15260), (2180, 12796), (2285, 12208), (3052, 9140), (3199, 8720), (3656, 7630), (3815, 7312), (4360, 6398), (4570, 6104)]