213837520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1619}}^1$

素因数の和:1772

約数の個数: 80

約数和(自身を含む): 539965440

約数和(自身を除く): 326127920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1619, 1651, 2032, 2540, 3238, 3302, 5080, 6476, 6604, 8095, 8255, 10160, 12952, 13208, 16190, 16510, 21047, 25904, 26416, 32380, 33020, 42094, 64760, 66040, 84188, 105235, 129520, 132080, 168376, 205613, 210470, 336752, 411226, 420940, 822452, 841880, 1028065, 1644904, 1683760, 2056130, 2672969, 3289808, 4112260, 5345938, 8224520, 10691876, 13364845, 16449040, 21383752, 26729690, 42767504, 53459380, 106918760, 213837520]

約数ペア:

[(1, 213837520), (2, 106918760), (4, 53459380), (5, 42767504), (8, 26729690), (10, 21383752), (13, 16449040), (16, 13364845), (20, 10691876), (26, 8224520), (40, 5345938), (52, 4112260), (65, 3289808), (80, 2672969), (104, 2056130), (127, 1683760), (130, 1644904), (208, 1028065), (254, 841880), (260, 822452), (508, 420940), (520, 411226), (635, 336752), (1016, 210470), (1040, 205613), (1270, 168376), (1619, 132080), (1651, 129520), (2032, 105235), (2540, 84188), (3238, 66040), (3302, 64760), (5080, 42094), (6476, 33020), (6604, 32380), (8095, 26416), (8255, 25904), (10160, 21047), (12952, 16510), (13208, 16190)]