83181280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 251475840

約数和(自身を除く): 168294560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 29, 32, 35, 40, 52, 56, 58, 65, 70, 80, 91, 104, 112, 116, 130, 140, 145, 160, 182, 197, 203, 208, 224, 232, 260, 280, 290, 364, 377, 394, 406, 416, 455, 464, 520, 560, 580, 728, 754, 788, 812, 910, 928, 985, 1015, 1040, 1120, 1160, 1379, 1456, 1508, 1576, 1624, 1820, 1885, 1970, 2030, 2080, 2320, 2561, 2639, 2758, 2912, 3016, 3152, 3248, 3640, 3770, 3940, 4060, 4640, 5122, 5278, 5516, 5713, 6032, 6304, 6496, 6895, 7280, 7540, 7880, 8120, 10244, 10556, 11032, 11426, 12064, 12805, 13195, 13790, 14560, 15080, 15760, 16240, 17927, 20488, 21112, 22064, 22852, 25610, 26390, 27580, 28565, 30160, 31520, 32480, 35854, 39991, 40976, 42224, 44128, 45704, 51220, 52780, 55160, 57130, 60320, 71708, 74269, 79982, 81952, 84448, 89635, 91408, 102440, 105560, 110320, 114260, 143416, 148538, 159964, 179270, 182816, 199955, 204880, 211120, 220640, 228520, 286832, 297076, 319928, 358540, 371345, 399910, 409760, 422240, 457040, 519883, 573664, 594152, 639856, 717080, 742690, 799820, 914080, 1039766, 1188304, 1279712, 1434160, 1485380, 1599640, 2079532, 2376608, 2599415, 2868320, 2970760, 3199280, 4159064, 5198830, 5941520, 6398560, 8318128, 10397660, 11883040, 16636256, 20795320, 41590640, 83181280]

約数ペア:

[(1, 83181280), (2, 41590640), (4, 20795320), (5, 16636256), (7, 11883040), (8, 10397660), (10, 8318128), (13, 6398560), (14, 5941520), (16, 5198830), (20, 4159064), (26, 3199280), (28, 2970760), (29, 2868320), (32, 2599415), (35, 2376608), (40, 2079532), (52, 1599640), (56, 1485380), (58, 1434160), (65, 1279712), (70, 1188304), (80, 1039766), (91, 914080), (104, 799820), (112, 742690), (116, 717080), (130, 639856), (140, 594152), (145, 573664), (160, 519883), (182, 457040), (197, 422240), (203, 409760), (208, 399910), (224, 371345), (232, 358540), (260, 319928), (280, 297076), (290, 286832), (364, 228520), (377, 220640), (394, 211120), (406, 204880), (416, 199955), (455, 182816), (464, 179270), (520, 159964), (560, 148538), (580, 143416), (728, 114260), (754, 110320), (788, 105560), (812, 102440), (910, 91408), (928, 89635), (985, 84448), (1015, 81952), (1040, 79982), (1120, 74269), (1160, 71708), (1379, 60320), (1456, 57130), (1508, 55160), (1576, 52780), (1624, 51220), (1820, 45704), (1885, 44128), (1970, 42224), (2030, 40976), (2080, 39991), (2320, 35854), (2561, 32480), (2639, 31520), (2758, 30160), (2912, 28565), (3016, 27580), (3152, 26390), (3248, 25610), (3640, 22852), (3770, 22064), (3940, 21112), (4060, 20488), (4640, 17927), (5122, 16240), (5278, 15760), (5516, 15080), (5713, 14560), (6032, 13790), (6304, 13195), (6496, 12805), (6895, 12064), (7280, 11426), (7540, 11032), (7880, 10556), (8120, 10244)]