205085520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31649}}^1$

素因数の和:31674

約数の個数: 100

約数和(自身を含む): 712314900

約数和(自身を除く): 507229380

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, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 31649, 63298, 94947, 126596, 158245, 189894, 253192, 284841, 316490, 379788, 474735, 506384, 569682, 632980, 759576, 854523, 949470, 1139364, 1265960, 1424205, 1519152, 1709046, 1898940, 2278728, 2531920, 2563569, 2848410, 3418092, 3797880, 4272615, 4557456, 5127138, 5696820, 6836184, 7595760, 8545230, 10254276, 11393640, 12817845, 13672368, 17090460, 20508552, 22787280, 25635690, 34180920, 41017104, 51271380, 68361840, 102542760, 205085520]

約数ペア:

[(1, 205085520), (2, 102542760), (3, 68361840), (4, 51271380), (5, 41017104), (6, 34180920), (8, 25635690), (9, 22787280), (10, 20508552), (12, 17090460), (15, 13672368), (16, 12817845), (18, 11393640), (20, 10254276), (24, 8545230), (27, 7595760), (30, 6836184), (36, 5696820), (40, 5127138), (45, 4557456), (48, 4272615), (54, 3797880), (60, 3418092), (72, 2848410), (80, 2563569), (81, 2531920), (90, 2278728), (108, 1898940), (120, 1709046), (135, 1519152), (144, 1424205), (162, 1265960), (180, 1139364), (216, 949470), (240, 854523), (270, 759576), (324, 632980), (360, 569682), (405, 506384), (432, 474735), (540, 379788), (648, 316490), (720, 284841), (810, 253192), (1080, 189894), (1296, 158245), (1620, 126596), (2160, 94947), (3240, 63298), (6480, 31649)]