221305680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{811}}^1$

素因数の和:1209

約数の個数: 120

約数和(自身を含む): 746098080

約数和(自身を除く): 524792400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 379, 720, 758, 811, 1137, 1516, 1622, 1895, 2274, 2433, 3032, 3244, 3411, 3790, 4055, 4548, 4866, 5685, 6064, 6488, 6822, 7299, 7580, 8110, 9096, 9732, 11370, 12165, 12976, 13644, 14598, 15160, 16220, 17055, 18192, 19464, 22740, 24330, 27288, 29196, 30320, 32440, 34110, 36495, 38928, 45480, 48660, 54576, 58392, 64880, 68220, 72990, 90960, 97320, 116784, 136440, 145980, 194640, 272880, 291960, 307369, 583920, 614738, 922107, 1229476, 1536845, 1844214, 2458952, 2766321, 3073690, 3688428, 4610535, 4917904, 5532642, 6147380, 7376856, 9221070, 11065284, 12294760, 13831605, 14753712, 18442140, 22130568, 24589520, 27663210, 36884280, 44261136, 55326420, 73768560, 110652840, 221305680]

約数ペア:

[(1, 221305680), (2, 110652840), (3, 73768560), (4, 55326420), (5, 44261136), (6, 36884280), (8, 27663210), (9, 24589520), (10, 22130568), (12, 18442140), (15, 14753712), (16, 13831605), (18, 12294760), (20, 11065284), (24, 9221070), (30, 7376856), (36, 6147380), (40, 5532642), (45, 4917904), (48, 4610535), (60, 3688428), (72, 3073690), (80, 2766321), (90, 2458952), (120, 1844214), (144, 1536845), (180, 1229476), (240, 922107), (360, 614738), (379, 583920), (720, 307369), (758, 291960), (811, 272880), (1137, 194640), (1516, 145980), (1622, 136440), (1895, 116784), (2274, 97320), (2433, 90960), (3032, 72990), (3244, 68220), (3411, 64880), (3790, 58392), (4055, 54576), (4548, 48660), (4866, 45480), (5685, 38928), (6064, 36495), (6488, 34110), (6822, 32440), (7299, 30320), (7580, 29196), (8110, 27288), (9096, 24330), (9732, 22740), (11370, 19464), (12165, 18192), (12976, 17055), (13644, 16220), (14598, 15160)]