1570705720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{6971}}^1$

素因数の和:7156

約数の個数: 64

約数和(自身を含む): 3644403840

約数和(自身を除く): 2073698120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 344, 430, 524, 655, 860, 1048, 1310, 1720, 2620, 5240, 5633, 6971, 11266, 13942, 22532, 27884, 28165, 34855, 45064, 55768, 56330, 69710, 112660, 139420, 225320, 278840, 299753, 599506, 913201, 1199012, 1498765, 1826402, 2398024, 2997530, 3652804, 4566005, 5995060, 7305608, 9132010, 11990120, 18264020, 36528040, 39267643, 78535286, 157070572, 196338215, 314141144, 392676430, 785352860, 1570705720]

約数ペア:

[(1, 1570705720), (2, 785352860), (4, 392676430), (5, 314141144), (8, 196338215), (10, 157070572), (20, 78535286), (40, 39267643), (43, 36528040), (86, 18264020), (131, 11990120), (172, 9132010), (215, 7305608), (262, 5995060), (344, 4566005), (430, 3652804), (524, 2997530), (655, 2398024), (860, 1826402), (1048, 1498765), (1310, 1199012), (1720, 913201), (2620, 599506), (5240, 299753), (5633, 278840), (6971, 225320), (11266, 139420), (13942, 112660), (22532, 69710), (27884, 56330), (28165, 55768), (34855, 45064)]