21635280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 120

約数和(自身を含む): 73507200

約数和(自身を除く): 51871920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 151, 180, 199, 240, 302, 360, 398, 453, 597, 604, 720, 755, 796, 906, 995, 1194, 1208, 1359, 1510, 1592, 1791, 1812, 1990, 2265, 2388, 2416, 2718, 2985, 3020, 3184, 3582, 3624, 3980, 4530, 4776, 5436, 5970, 6040, 6795, 7164, 7248, 7960, 8955, 9060, 9552, 10872, 11940, 12080, 13590, 14328, 15920, 17910, 18120, 21744, 23880, 27180, 28656, 30049, 35820, 36240, 47760, 54360, 60098, 71640, 90147, 108720, 120196, 143280, 150245, 180294, 240392, 270441, 300490, 360588, 450735, 480784, 540882, 600980, 721176, 901470, 1081764, 1201960, 1352205, 1442352, 1802940, 2163528, 2403920, 2704410, 3605880, 4327056, 5408820, 7211760, 10817640, 21635280]

約数ペア:

[(1, 21635280), (2, 10817640), (3, 7211760), (4, 5408820), (5, 4327056), (6, 3605880), (8, 2704410), (9, 2403920), (10, 2163528), (12, 1802940), (15, 1442352), (16, 1352205), (18, 1201960), (20, 1081764), (24, 901470), (30, 721176), (36, 600980), (40, 540882), (45, 480784), (48, 450735), (60, 360588), (72, 300490), (80, 270441), (90, 240392), (120, 180294), (144, 150245), (151, 143280), (180, 120196), (199, 108720), (240, 90147), (302, 71640), (360, 60098), (398, 54360), (453, 47760), (597, 36240), (604, 35820), (720, 30049), (755, 28656), (796, 27180), (906, 23880), (995, 21744), (1194, 18120), (1208, 17910), (1359, 15920), (1510, 14328), (1592, 13590), (1791, 12080), (1812, 11940), (1990, 10872), (2265, 9552), (2388, 9060), (2416, 8955), (2718, 7960), (2985, 7248), (3020, 7164), (3184, 6795), (3582, 6040), (3624, 5970), (3980, 5436), (4530, 4776)]