64905840

素因数分解:

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

素因数の和:372

約数の個数: 160

約数和(自身を含む): 226176000

約数和(自身を除く): 161270160

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, 90, 108, 120, 135, 144, 151, 180, 199, 216, 240, 270, 302, 360, 398, 432, 453, 540, 597, 604, 720, 755, 796, 906, 995, 1080, 1194, 1208, 1359, 1510, 1592, 1791, 1812, 1990, 2160, 2265, 2388, 2416, 2718, 2985, 3020, 3184, 3582, 3624, 3980, 4077, 4530, 4776, 5373, 5436, 5970, 6040, 6795, 7164, 7248, 7960, 8154, 8955, 9060, 9552, 10746, 10872, 11940, 12080, 13590, 14328, 15920, 16308, 17910, 18120, 20385, 21492, 21744, 23880, 26865, 27180, 28656, 30049, 32616, 35820, 36240, 40770, 42984, 47760, 53730, 54360, 60098, 65232, 71640, 81540, 85968, 90147, 107460, 108720, 120196, 143280, 150245, 163080, 180294, 214920, 240392, 270441, 300490, 326160, 360588, 429840, 450735, 480784, 540882, 600980, 721176, 811323, 901470, 1081764, 1201960, 1352205, 1442352, 1622646, 1802940, 2163528, 2403920, 2704410, 3245292, 3605880, 4056615, 4327056, 5408820, 6490584, 7211760, 8113230, 10817640, 12981168, 16226460, 21635280, 32452920, 64905840]

約数ペア:

[(1, 64905840), (2, 32452920), (3, 21635280), (4, 16226460), (5, 12981168), (6, 10817640), (8, 8113230), (9, 7211760), (10, 6490584), (12, 5408820), (15, 4327056), (16, 4056615), (18, 3605880), (20, 3245292), (24, 2704410), (27, 2403920), (30, 2163528), (36, 1802940), (40, 1622646), (45, 1442352), (48, 1352205), (54, 1201960), (60, 1081764), (72, 901470), (80, 811323), (90, 721176), (108, 600980), (120, 540882), (135, 480784), (144, 450735), (151, 429840), (180, 360588), (199, 326160), (216, 300490), (240, 270441), (270, 240392), (302, 214920), (360, 180294), (398, 163080), (432, 150245), (453, 143280), (540, 120196), (597, 108720), (604, 107460), (720, 90147), (755, 85968), (796, 81540), (906, 71640), (995, 65232), (1080, 60098), (1194, 54360), (1208, 53730), (1359, 47760), (1510, 42984), (1592, 40770), (1791, 36240), (1812, 35820), (1990, 32616), (2160, 30049), (2265, 28656), (2388, 27180), (2416, 26865), (2718, 23880), (2985, 21744), (3020, 21492), (3184, 20385), (3582, 18120), (3624, 17910), (3980, 16308), (4077, 15920), (4530, 14328), (4776, 13590), (5373, 12080), (5436, 11940), (5970, 10872), (6040, 10746), (6795, 9552), (7164, 9060), (7248, 8955), (7960, 8154)]