221353920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{509}}^1$

素因数の和:683

約数の個数: 168

約数和(自身を含む): 767913120

約数和(自身を除く): 546559200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 151, 160, 180, 192, 240, 288, 302, 320, 360, 453, 480, 509, 576, 604, 720, 755, 906, 960, 1018, 1208, 1359, 1440, 1510, 1527, 1812, 2036, 2265, 2416, 2545, 2718, 2880, 3020, 3054, 3624, 4072, 4530, 4581, 4832, 5090, 5436, 6040, 6108, 6795, 7248, 7635, 8144, 9060, 9162, 9664, 10180, 10872, 12080, 12216, 13590, 14496, 15270, 16288, 18120, 18324, 20360, 21744, 22905, 24160, 24432, 27180, 28992, 30540, 32576, 36240, 36648, 40720, 43488, 45810, 48320, 48864, 54360, 61080, 72480, 73296, 76859, 81440, 86976, 91620, 97728, 108720, 122160, 144960, 146592, 153718, 162880, 183240, 217440, 230577, 244320, 293184, 307436, 366480, 384295, 434880, 461154, 488640, 614872, 691731, 732960, 768590, 922308, 1152885, 1229744, 1383462, 1465920, 1537180, 1844616, 2305770, 2459488, 2766924, 3074360, 3458655, 3689232, 4611540, 4918976, 5533848, 6148720, 6917310, 7378464, 9223080, 11067696, 12297440, 13834620, 14756928, 18446160, 22135392, 24594880, 27669240, 36892320, 44270784, 55338480, 73784640, 110676960, 221353920]

約数ペア:

[(1, 221353920), (2, 110676960), (3, 73784640), (4, 55338480), (5, 44270784), (6, 36892320), (8, 27669240), (9, 24594880), (10, 22135392), (12, 18446160), (15, 14756928), (16, 13834620), (18, 12297440), (20, 11067696), (24, 9223080), (30, 7378464), (32, 6917310), (36, 6148720), (40, 5533848), (45, 4918976), (48, 4611540), (60, 3689232), (64, 3458655), (72, 3074360), (80, 2766924), (90, 2459488), (96, 2305770), (120, 1844616), (144, 1537180), (151, 1465920), (160, 1383462), (180, 1229744), (192, 1152885), (240, 922308), (288, 768590), (302, 732960), (320, 691731), (360, 614872), (453, 488640), (480, 461154), (509, 434880), (576, 384295), (604, 366480), (720, 307436), (755, 293184), (906, 244320), (960, 230577), (1018, 217440), (1208, 183240), (1359, 162880), (1440, 153718), (1510, 146592), (1527, 144960), (1812, 122160), (2036, 108720), (2265, 97728), (2416, 91620), (2545, 86976), (2718, 81440), (2880, 76859), (3020, 73296), (3054, 72480), (3624, 61080), (4072, 54360), (4530, 48864), (4581, 48320), (4832, 45810), (5090, 43488), (5436, 40720), (6040, 36648), (6108, 36240), (6795, 32576), (7248, 30540), (7635, 28992), (8144, 27180), (9060, 24432), (9162, 24160), (9664, 22905), (10180, 21744), (10872, 20360), (12080, 18324), (12216, 18120), (13590, 16288), (14496, 15270)]