1021561600

素因数分解:

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

素因数の和:347

約数の個数: 216

約数和(自身を含む): 2757601280

約数和(自身を除く): 1736039680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 128, 152, 155, 160, 190, 200, 248, 256, 271, 304, 310, 320, 380, 400, 475, 496, 542, 589, 608, 620, 640, 760, 775, 800, 950, 992, 1084, 1178, 1216, 1240, 1280, 1355, 1520, 1550, 1600, 1900, 1984, 2168, 2356, 2432, 2480, 2710, 2945, 3040, 3100, 3200, 3800, 3968, 4336, 4712, 4864, 4960, 5149, 5420, 5890, 6080, 6200, 6400, 6775, 7600, 7936, 8401, 8672, 9424, 9920, 10298, 10840, 11780, 12160, 12400, 13550, 14725, 15200, 16802, 17344, 18848, 19840, 20596, 21680, 23560, 24320, 24800, 25745, 27100, 29450, 30400, 33604, 34688, 37696, 39680, 41192, 42005, 43360, 47120, 49600, 51490, 54200, 58900, 60800, 67208, 69376, 75392, 82384, 84010, 86720, 94240, 99200, 102980, 108400, 117800, 121600, 128725, 134416, 150784, 159619, 164768, 168020, 173440, 188480, 198400, 205960, 210025, 216800, 235600, 257450, 268832, 319238, 329536, 336040, 346880, 376960, 411920, 420050, 433600, 471200, 514900, 537664, 638476, 659072, 672080, 753920, 798095, 823840, 840100, 867200, 942400, 1029800, 1075328, 1276952, 1318144, 1344160, 1596190, 1647680, 1680200, 1734400, 1884800, 2059600, 2150656, 2553904, 2688320, 3192380, 3295360, 3360400, 3769600, 3990475, 4119200, 5107808, 5376640, 6384760, 6590720, 6720800, 7980950, 8238400, 10215616, 10753280, 12769520, 13441600, 15961900, 16476800, 20431232, 25539040, 26883200, 31923800, 32953600, 40862464, 51078080, 53766400, 63847600, 102156160, 127695200, 204312320, 255390400, 510780800, 1021561600]

約数ペア:

[(1, 1021561600), (2, 510780800), (4, 255390400), (5, 204312320), (8, 127695200), (10, 102156160), (16, 63847600), (19, 53766400), (20, 51078080), (25, 40862464), (31, 32953600), (32, 31923800), (38, 26883200), (40, 25539040), (50, 20431232), (62, 16476800), (64, 15961900), (76, 13441600), (80, 12769520), (95, 10753280), (100, 10215616), (124, 8238400), (128, 7980950), (152, 6720800), (155, 6590720), (160, 6384760), (190, 5376640), (200, 5107808), (248, 4119200), (256, 3990475), (271, 3769600), (304, 3360400), (310, 3295360), (320, 3192380), (380, 2688320), (400, 2553904), (475, 2150656), (496, 2059600), (542, 1884800), (589, 1734400), (608, 1680200), (620, 1647680), (640, 1596190), (760, 1344160), (775, 1318144), (800, 1276952), (950, 1075328), (992, 1029800), (1084, 942400), (1178, 867200), (1216, 840100), (1240, 823840), (1280, 798095), (1355, 753920), (1520, 672080), (1550, 659072), (1600, 638476), (1900, 537664), (1984, 514900), (2168, 471200), (2356, 433600), (2432, 420050), (2480, 411920), (2710, 376960), (2945, 346880), (3040, 336040), (3100, 329536), (3200, 319238), (3800, 268832), (3968, 257450), (4336, 235600), (4712, 216800), (4864, 210025), (4960, 205960), (5149, 198400), (5420, 188480), (5890, 173440), (6080, 168020), (6200, 164768), (6400, 159619), (6775, 150784), (7600, 134416), (7936, 128725), (8401, 121600), (8672, 117800), (9424, 108400), (9920, 102980), (10298, 99200), (10840, 94240), (11780, 86720), (12160, 84010), (12400, 82384), (13550, 75392), (14725, 69376), (15200, 67208), (16802, 60800), (17344, 58900), (18848, 54200), (19840, 51490), (20596, 49600), (21680, 47120), (23560, 43360), (24320, 42005), (24800, 41192), (25745, 39680), (27100, 37696), (29450, 34688), (30400, 33604)]