82561680

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:196

約数の個数: 240

約数和(自身を含む): 298980864

約数和(自身を除く): 216419184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 137, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 274, 279, 310, 324, 360, 372, 405, 411, 432, 465, 486, 496, 540, 548, 558, 620, 648, 685, 720, 744, 810, 822, 837, 930, 972, 1080, 1096, 1116, 1215, 1233, 1240, 1296, 1370, 1395, 1488, 1620, 1644, 1674, 1860, 1944, 2055, 2160, 2192, 2232, 2430, 2466, 2480, 2511, 2740, 2790, 3240, 3288, 3348, 3699, 3720, 3888, 4110, 4185, 4247, 4464, 4860, 4932, 5022, 5480, 5580, 6165, 6480, 6576, 6696, 7398, 7440, 7533, 8220, 8370, 8494, 9720, 9864, 10044, 10960, 11097, 11160, 12330, 12555, 12741, 13392, 14796, 15066, 16440, 16740, 16988, 18495, 19440, 19728, 20088, 21235, 22194, 22320, 24660, 25110, 25482, 29592, 30132, 32880, 33291, 33480, 33976, 36990, 37665, 38223, 40176, 42470, 44388, 49320, 50220, 50964, 55485, 59184, 60264, 63705, 66582, 66960, 67952, 73980, 75330, 76446, 84940, 88776, 98640, 100440, 101928, 110970, 114669, 120528, 127410, 133164, 147960, 150660, 152892, 166455, 169880, 177552, 191115, 200880, 203856, 221940, 229338, 254820, 266328, 295920, 301320, 305784, 332910, 339760, 344007, 382230, 443880, 458676, 509640, 532656, 573345, 602640, 611568, 665820, 688014, 764460, 887760, 917352, 1019280, 1032021, 1146690, 1331640, 1376028, 1528920, 1720035, 1834704, 2064042, 2293380, 2663280, 2752056, 3057840, 3440070, 4128084, 4586760, 5160105, 5504112, 6880140, 8256168, 9173520, 10320210, 13760280, 16512336, 20640420, 27520560, 41280840, 82561680]

約数ペア:

[(1, 82561680), (2, 41280840), (3, 27520560), (4, 20640420), (5, 16512336), (6, 13760280), (8, 10320210), (9, 9173520), (10, 8256168), (12, 6880140), (15, 5504112), (16, 5160105), (18, 4586760), (20, 4128084), (24, 3440070), (27, 3057840), (30, 2752056), (31, 2663280), (36, 2293380), (40, 2064042), (45, 1834704), (48, 1720035), (54, 1528920), (60, 1376028), (62, 1331640), (72, 1146690), (80, 1032021), (81, 1019280), (90, 917352), (93, 887760), (108, 764460), (120, 688014), (124, 665820), (135, 611568), (137, 602640), (144, 573345), (155, 532656), (162, 509640), (180, 458676), (186, 443880), (216, 382230), (240, 344007), (243, 339760), (248, 332910), (270, 305784), (274, 301320), (279, 295920), (310, 266328), (324, 254820), (360, 229338), (372, 221940), (405, 203856), (411, 200880), (432, 191115), (465, 177552), (486, 169880), (496, 166455), (540, 152892), (548, 150660), (558, 147960), (620, 133164), (648, 127410), (685, 120528), (720, 114669), (744, 110970), (810, 101928), (822, 100440), (837, 98640), (930, 88776), (972, 84940), (1080, 76446), (1096, 75330), (1116, 73980), (1215, 67952), (1233, 66960), (1240, 66582), (1296, 63705), (1370, 60264), (1395, 59184), (1488, 55485), (1620, 50964), (1644, 50220), (1674, 49320), (1860, 44388), (1944, 42470), (2055, 40176), (2160, 38223), (2192, 37665), (2232, 36990), (2430, 33976), (2466, 33480), (2480, 33291), (2511, 32880), (2740, 30132), (2790, 29592), (3240, 25482), (3288, 25110), (3348, 24660), (3699, 22320), (3720, 22194), (3888, 21235), (4110, 20088), (4185, 19728), (4247, 19440), (4464, 18495), (4860, 16988), (4932, 16740), (5022, 16440), (5480, 15066), (5580, 14796), (6165, 13392), (6480, 12741), (6576, 12555), (6696, 12330), (7398, 11160), (7440, 11097), (7533, 10960), (8220, 10044), (8370, 9864), (8494, 9720)]