206921280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 224

約数和(自身を含む): 719815680

約数和(自身を除く): 512894400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 272, 310, 320, 340, 372, 408, 409, 465, 480, 496, 510, 527, 544, 620, 680, 744, 816, 818, 930, 960, 992, 1020, 1054, 1088, 1227, 1240, 1360, 1488, 1581, 1632, 1636, 1860, 1984, 2040, 2045, 2108, 2454, 2480, 2635, 2720, 2976, 3162, 3264, 3272, 3720, 4080, 4090, 4216, 4908, 4960, 5270, 5440, 5952, 6135, 6324, 6544, 6953, 7440, 7905, 8160, 8180, 8432, 9816, 9920, 10540, 12270, 12648, 12679, 13088, 13906, 14880, 15810, 16320, 16360, 16864, 19632, 20859, 21080, 24540, 25296, 25358, 26176, 27812, 29760, 31620, 32720, 33728, 34765, 38037, 39264, 41718, 42160, 49080, 50592, 50716, 55624, 63240, 63395, 65440, 69530, 76074, 78528, 83436, 84320, 98160, 101184, 101432, 104295, 111248, 126480, 126790, 130880, 139060, 152148, 166872, 168640, 190185, 196320, 202864, 208590, 215543, 222496, 252960, 253580, 278120, 304296, 333744, 380370, 392640, 405728, 417180, 431086, 444992, 505920, 507160, 556240, 608592, 646629, 667488, 760740, 811456, 834360, 862172, 1014320, 1077715, 1112480, 1217184, 1293258, 1334976, 1521480, 1668720, 1724344, 2028640, 2155430, 2224960, 2434368, 2586516, 3042960, 3233145, 3337440, 3448688, 4057280, 4310860, 5173032, 6085920, 6466290, 6674880, 6897376, 8621720, 10346064, 12171840, 12932580, 13794752, 17243440, 20692128, 25865160, 34486880, 41384256, 51730320, 68973760, 103460640, 206921280]

約数ペア:

[(1, 206921280), (2, 103460640), (3, 68973760), (4, 51730320), (5, 41384256), (6, 34486880), (8, 25865160), (10, 20692128), (12, 17243440), (15, 13794752), (16, 12932580), (17, 12171840), (20, 10346064), (24, 8621720), (30, 6897376), (31, 6674880), (32, 6466290), (34, 6085920), (40, 5173032), (48, 4310860), (51, 4057280), (60, 3448688), (62, 3337440), (64, 3233145), (68, 3042960), (80, 2586516), (85, 2434368), (93, 2224960), (96, 2155430), (102, 2028640), (120, 1724344), (124, 1668720), (136, 1521480), (155, 1334976), (160, 1293258), (170, 1217184), (186, 1112480), (192, 1077715), (204, 1014320), (240, 862172), (248, 834360), (255, 811456), (272, 760740), (310, 667488), (320, 646629), (340, 608592), (372, 556240), (408, 507160), (409, 505920), (465, 444992), (480, 431086), (496, 417180), (510, 405728), (527, 392640), (544, 380370), (620, 333744), (680, 304296), (744, 278120), (816, 253580), (818, 252960), (930, 222496), (960, 215543), (992, 208590), (1020, 202864), (1054, 196320), (1088, 190185), (1227, 168640), (1240, 166872), (1360, 152148), (1488, 139060), (1581, 130880), (1632, 126790), (1636, 126480), (1860, 111248), (1984, 104295), (2040, 101432), (2045, 101184), (2108, 98160), (2454, 84320), (2480, 83436), (2635, 78528), (2720, 76074), (2976, 69530), (3162, 65440), (3264, 63395), (3272, 63240), (3720, 55624), (4080, 50716), (4090, 50592), (4216, 49080), (4908, 42160), (4960, 41718), (5270, 39264), (5440, 38037), (5952, 34765), (6135, 33728), (6324, 32720), (6544, 31620), (6953, 29760), (7440, 27812), (7905, 26176), (8160, 25358), (8180, 25296), (8432, 24540), (9816, 21080), (9920, 20859), (10540, 19632), (12270, 16864), (12648, 16360), (12679, 16320), (13088, 15810), (13906, 14880)]