157397120

素因数分解:

$2^7\times 5^1\times {\mathrm{331}}^1\times {\mathrm{743}}^1$

素因数の和:1093

約数の個数: 64

約数和(自身を含む): 377922240

約数和(自身を除く): 220525120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 331, 640, 662, 743, 1324, 1486, 1655, 2648, 2972, 3310, 3715, 5296, 5944, 6620, 7430, 10592, 11888, 13240, 14860, 21184, 23776, 26480, 29720, 42368, 47552, 52960, 59440, 95104, 105920, 118880, 211840, 237760, 245933, 475520, 491866, 983732, 1229665, 1967464, 2459330, 3934928, 4918660, 7869856, 9837320, 15739712, 19674640, 31479424, 39349280, 78698560, 157397120]

約数ペア:

[(1, 157397120), (2, 78698560), (4, 39349280), (5, 31479424), (8, 19674640), (10, 15739712), (16, 9837320), (20, 7869856), (32, 4918660), (40, 3934928), (64, 2459330), (80, 1967464), (128, 1229665), (160, 983732), (320, 491866), (331, 475520), (640, 245933), (662, 237760), (743, 211840), (1324, 118880), (1486, 105920), (1655, 95104), (2648, 59440), (2972, 52960), (3310, 47552), (3715, 42368), (5296, 29720), (5944, 26480), (6620, 23776), (7430, 21184), (10592, 14860), (11888, 13240)]