20971872000

素因数分解:

$2^8\times 3^6\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 1008

約数和(自身を含む): 83644404480

約数和(自身を除く): 62672532480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 29, 30, 31, 32, 36, 40, 45, 48, 50, 54, 58, 60, 62, 64, 72, 75, 80, 81, 87, 90, 93, 96, 100, 108, 116, 120, 124, 125, 128, 135, 144, 145, 150, 155, 160, 162, 174, 180, 186, 192, 200, 216, 225, 232, 240, 243, 248, 250, 256, 261, 270, 279, 288, 290, 300, 310, 320, 324, 348, 360, 372, 375, 384, 400, 405, 432, 435, 450, 464, 465, 480, 486, 496, 500, 522, 540, 558, 576, 580, 600, 620, 640, 648, 675, 696, 720, 725, 729, 744, 750, 768, 775, 783, 800, 810, 837, 864, 870, 899, 900, 928, 930, 960, 972, 992, 1000, 1044, 1080, 1116, 1125, 1152, 1160, 1200, 1215, 1240, 1280, 1296, 1305, 1350, 1392, 1395, 1440, 1450, 1458, 1488, 1500, 1550, 1566, 1600, 1620, 1674, 1728, 1740, 1798, 1800, 1856, 1860, 1920, 1944, 1984, 2000, 2025, 2088, 2160, 2175, 2232, 2250, 2304, 2320, 2325, 2349, 2400, 2430, 2480, 2511, 2592, 2610, 2697, 2700, 2784, 2790, 2880, 2900, 2916, 2976, 3000, 3100, 3132, 3200, 3240, 3348, 3375, 3456, 3480, 3596, 3600, 3625, 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約数ペア:

[(1, 20971872000), (2, 10485936000), (3, 6990624000), (4, 5242968000), (5, 4194374400), (6, 3495312000), (8, 2621484000), (9, 2330208000), (10, 2097187200), (12, 1747656000), (15, 1398124800), (16, 1310742000), (18, 1165104000), (20, 1048593600), (24, 873828000), (25, 838874880), (27, 776736000), (29, 723168000), (30, 699062400), (31, 676512000), (32, 655371000), (36, 582552000), (40, 524296800), (45, 466041600), (48, 436914000), (50, 419437440), (54, 388368000), (58, 361584000), (60, 349531200), (62, 338256000), (64, 327685500), (72, 291276000), (75, 279624960), (80, 262148400), (81, 258912000), (87, 241056000), (90, 233020800), (93, 225504000), (96, 218457000), (100, 209718720), (108, 194184000), (116, 180792000), (120, 174765600), (124, 169128000), (125, 167774976), (128, 163842750), (135, 155347200), (144, 145638000), (145, 144633600), (150, 139812480), (155, 135302400), (160, 131074200), (162, 129456000), (174, 120528000), (180, 116510400), (186, 112752000), (192, 109228500), 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