15765840

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{811}}^1$

素因数の和:839

約数の個数: 120

約数和(自身を含む): 54975648

約数和(自身を除く): 39209808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 811, 972, 1080, 1215, 1296, 1620, 1622, 1944, 2160, 2430, 2433, 3240, 3244, 3888, 4055, 4860, 4866, 6480, 6488, 7299, 8110, 9720, 9732, 12165, 12976, 14598, 16220, 19440, 19464, 21897, 24330, 29196, 32440, 36495, 38928, 43794, 48660, 58392, 64880, 65691, 72990, 87588, 97320, 109485, 116784, 131382, 145980, 175176, 194640, 197073, 218970, 262764, 291960, 328455, 350352, 394146, 437940, 525528, 583920, 656910, 788292, 875880, 985365, 1051056, 1313820, 1576584, 1751760, 1970730, 2627640, 3153168, 3941460, 5255280, 7882920, 15765840]

約数ペア:

[(1, 15765840), (2, 7882920), (3, 5255280), (4, 3941460), (5, 3153168), (6, 2627640), (8, 1970730), (9, 1751760), (10, 1576584), (12, 1313820), (15, 1051056), (16, 985365), (18, 875880), (20, 788292), (24, 656910), (27, 583920), (30, 525528), (36, 437940), (40, 394146), (45, 350352), (48, 328455), (54, 291960), (60, 262764), (72, 218970), (80, 197073), (81, 194640), (90, 175176), (108, 145980), (120, 131382), (135, 116784), (144, 109485), (162, 97320), (180, 87588), (216, 72990), (240, 65691), (243, 64880), (270, 58392), (324, 48660), (360, 43794), (405, 38928), (432, 36495), (486, 32440), (540, 29196), (648, 24330), (720, 21897), (810, 19464), (811, 19440), (972, 16220), (1080, 14598), (1215, 12976), (1296, 12165), (1620, 9732), (1622, 9720), (1944, 8110), (2160, 7299), (2430, 6488), (2433, 6480), (3240, 4866), (3244, 4860), (3888, 4055)]