204312320

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 533729280

約数和(自身を除く): 329416960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 271, 304, 310, 320, 380, 496, 542, 589, 608, 620, 640, 760, 992, 1084, 1178, 1216, 1240, 1280, 1355, 1520, 1984, 2168, 2356, 2432, 2480, 2710, 2945, 3040, 3968, 4336, 4712, 4864, 4960, 5149, 5420, 5890, 6080, 7936, 8401, 8672, 9424, 9920, 10298, 10840, 11780, 12160, 16802, 17344, 18848, 19840, 20596, 21680, 23560, 24320, 25745, 33604, 34688, 37696, 39680, 41192, 42005, 43360, 47120, 51490, 67208, 69376, 75392, 82384, 84010, 86720, 94240, 102980, 134416, 150784, 159619, 164768, 168020, 173440, 188480, 205960, 268832, 319238, 329536, 336040, 346880, 376960, 411920, 537664, 638476, 659072, 672080, 753920, 798095, 823840, 1075328, 1276952, 1318144, 1344160, 1596190, 1647680, 2150656, 2553904, 2688320, 3192380, 3295360, 5107808, 5376640, 6384760, 6590720, 10215616, 10753280, 12769520, 20431232, 25539040, 40862464, 51078080, 102156160, 204312320]

約数ペア:

[(1, 204312320), (2, 102156160), (4, 51078080), (5, 40862464), (8, 25539040), (10, 20431232), (16, 12769520), (19, 10753280), (20, 10215616), (31, 6590720), (32, 6384760), (38, 5376640), (40, 5107808), (62, 3295360), (64, 3192380), (76, 2688320), (80, 2553904), (95, 2150656), (124, 1647680), (128, 1596190), (152, 1344160), (155, 1318144), (160, 1276952), (190, 1075328), (248, 823840), (256, 798095), (271, 753920), (304, 672080), (310, 659072), (320, 638476), (380, 537664), (496, 411920), (542, 376960), (589, 346880), (608, 336040), (620, 329536), (640, 319238), (760, 268832), (992, 205960), (1084, 188480), (1178, 173440), (1216, 168020), (1240, 164768), (1280, 159619), (1355, 150784), (1520, 134416), (1984, 102980), (2168, 94240), (2356, 86720), (2432, 84010), (2480, 82384), (2710, 75392), (2945, 69376), (3040, 67208), (3968, 51490), (4336, 47120), (4712, 43360), (4864, 42005), (4960, 41192), (5149, 39680), (5420, 37696), (5890, 34688), (6080, 33604), (7936, 25745), (8401, 24320), (8672, 23560), (9424, 21680), (9920, 20596), (10298, 19840), (10840, 18848), (11780, 17344), (12160, 16802)]