1221747840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4204

約数の個数: 256

約数和(自身を含む): 4582656000

約数和(自身を除く): 3360908160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4159, 4320, 4590, 4896, 5440, 5760, 6120, 6528, 7344, 8160, 8318, 8640, 9180, 9792, 10880, 12240, 12477, 14688, 16320, 16636, 17280, 18360, 19584, 20795, 24480, 24954, 29376, 32640, 33272, 36720, 37431, 41590, 48960, 49908, 58752, 62385, 66544, 70703, 73440, 74862, 83180, 97920, 99816, 112293, 124770, 133088, 141406, 146880, 149724, 166360, 187155, 199632, 212109, 224586, 249540, 266176, 282812, 293760, 299448, 332720, 353515, 374310, 399264, 424218, 449172, 499080, 532352, 561465, 565624, 598896, 636327, 665440, 707030, 748620, 798528, 848436, 898344, 998160, 1060545, 1122930, 1131248, 1197792, 1272654, 1330880, 1414060, 1497240, 1597056, 1696872, 1796688, 1908981, 1996320, 2121090, 2245860, 2262496, 2395584, 2545308, 2661760, 2828120, 2994480, 3181635, 3393744, 3593376, 3817962, 3992640, 4242180, 4491720, 4524992, 4791168, 5090616, 5656240, 5988960, 6363270, 6787488, 7186752, 7635924, 7985280, 8484360, 8983440, 9049984, 9544905, 10181232, 11312480, 11977920, 12726540, 13574976, 14373504, 15271848, 16968720, 17966880, 19089810, 20362464, 22624960, 23955840, 25453080, 27149952, 30543696, 33937440, 35933760, 38179620, 40724928, 45249920, 50906160, 61087392, 67874880, 71867520, 76359240, 81449856, 101812320, 122174784, 135749760, 152718480, 203624640, 244349568, 305436960, 407249280, 610873920, 1221747840]

約数ペア:

[(1, 1221747840), (2, 610873920), (3, 407249280), (4, 305436960), (5, 244349568), (6, 203624640), (8, 152718480), (9, 135749760), (10, 122174784), (12, 101812320), (15, 81449856), (16, 76359240), (17, 71867520), (18, 67874880), (20, 61087392), (24, 50906160), (27, 45249920), (30, 40724928), (32, 38179620), (34, 35933760), (36, 33937440), (40, 30543696), (45, 27149952), (48, 25453080), (51, 23955840), (54, 22624960), (60, 20362464), (64, 19089810), (68, 17966880), (72, 16968720), (80, 15271848), (85, 14373504), (90, 13574976), (96, 12726540), (102, 11977920), (108, 11312480), (120, 10181232), (128, 9544905), (135, 9049984), (136, 8983440), (144, 8484360), (153, 7985280), (160, 7635924), (170, 7186752), (180, 6787488), (192, 6363270), (204, 5988960), (216, 5656240), (240, 5090616), (255, 4791168), (270, 4524992), (272, 4491720), (288, 4242180), (306, 3992640), (320, 3817962), (340, 3593376), (360, 3393744), (384, 3181635), (408, 2994480), (432, 2828120), (459, 2661760), (480, 2545308), (510, 2395584), (540, 2262496), (544, 2245860), (576, 2121090), (612, 1996320), (640, 1908981), (680, 1796688), (720, 1696872), (765, 1597056), (816, 1497240), (864, 1414060), (918, 1330880), (960, 1272654), (1020, 1197792), (1080, 1131248), (1088, 1122930), (1152, 1060545), (1224, 998160), (1360, 898344), (1440, 848436), (1530, 798528), (1632, 748620), (1728, 707030), (1836, 665440), (1920, 636327), (2040, 598896), (2160, 565624), (2176, 561465), (2295, 532352), (2448, 499080), (2720, 449172), (2880, 424218), (3060, 399264), (3264, 374310), (3456, 353515), (3672, 332720), (4080, 299448), (4159, 293760), (4320, 282812), (4590, 266176), (4896, 249540), (5440, 224586), (5760, 212109), (6120, 199632), (6528, 187155), (7344, 166360), (8160, 149724), (8318, 146880), (8640, 141406), (9180, 133088), (9792, 124770), (10880, 112293), (12240, 99816), (12477, 97920), (14688, 83180), (16320, 74862), (16636, 73440), (17280, 70703), (18360, 66544), (19584, 62385), (20795, 58752), (24480, 49908), (24954, 48960), (29376, 41590), (32640, 37431), (33272, 36720)]