156849280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 433198080

約数和(自身を除く): 276348800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 157, 160, 223, 224, 280, 314, 320, 446, 448, 560, 628, 640, 785, 892, 896, 1099, 1115, 1120, 1256, 1561, 1570, 1784, 2198, 2230, 2240, 2512, 3122, 3140, 3568, 4396, 4460, 4480, 5024, 5495, 6244, 6280, 7136, 7805, 8792, 8920, 10048, 10990, 12488, 12560, 14272, 15610, 17584, 17840, 20096, 21980, 24976, 25120, 28544, 31220, 35011, 35168, 35680, 43960, 49952, 50240, 62440, 70022, 70336, 71360, 87920, 99904, 100480, 124880, 140044, 140672, 142720, 175055, 175840, 199808, 245077, 249760, 280088, 350110, 351680, 490154, 499520, 560176, 700220, 703360, 980308, 999040, 1120352, 1225385, 1400440, 1960616, 2240704, 2450770, 2800880, 3921232, 4481408, 4901540, 5601760, 7842464, 9803080, 11203520, 15684928, 19606160, 22407040, 31369856, 39212320, 78424640, 156849280]

約数ペア:

[(1, 156849280), (2, 78424640), (4, 39212320), (5, 31369856), (7, 22407040), (8, 19606160), (10, 15684928), (14, 11203520), (16, 9803080), (20, 7842464), (28, 5601760), (32, 4901540), (35, 4481408), (40, 3921232), (56, 2800880), (64, 2450770), (70, 2240704), (80, 1960616), (112, 1400440), (128, 1225385), (140, 1120352), (157, 999040), (160, 980308), (223, 703360), (224, 700220), (280, 560176), (314, 499520), (320, 490154), (446, 351680), (448, 350110), (560, 280088), (628, 249760), (640, 245077), (785, 199808), (892, 175840), (896, 175055), (1099, 142720), (1115, 140672), (1120, 140044), (1256, 124880), (1561, 100480), (1570, 99904), (1784, 87920), (2198, 71360), (2230, 70336), (2240, 70022), (2512, 62440), (3122, 50240), (3140, 49952), (3568, 43960), (4396, 35680), (4460, 35168), (4480, 35011), (5024, 31220), (5495, 28544), (6244, 25120), (6280, 24976), (7136, 21980), (7805, 20096), (8792, 17840), (8920, 17584), (10048, 15610), (10990, 14272), (12488, 12560)]