20543328000

素因数分解:

$2^8\times 3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:143

約数の個数: 1152

約数和(自身を含む): 85710643200

約数和(自身を除く): 65167315200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 31, 32, 36, 39, 40, 45, 48, 50, 52, 54, 59, 60, 62, 64, 65, 72, 75, 78, 80, 90, 93, 96, 100, 104, 108, 117, 118, 120, 124, 125, 128, 130, 135, 144, 150, 155, 156, 160, 177, 180, 186, 192, 195, 200, 208, 216, 225, 234, 236, 240, 248, 250, 256, 260, 270, 279, 288, 295, 300, 310, 312, 320, 325, 351, 354, 360, 372, 375, 384, 390, 400, 403, 416, 432, 450, 465, 468, 472, 480, 496, 500, 520, 531, 540, 558, 576, 585, 590, 600, 620, 624, 640, 650, 675, 702, 708, 720, 744, 750, 767, 768, 775, 780, 800, 806, 832, 837, 864, 885, 900, 930, 936, 944, 960, 975, 992, 1000, 1040, 1062, 1080, 1116, 1125, 1152, 1170, 1180, 1200, 1209, 1240, 1248, 1280, 1300, 1350, 1395, 1404, 1416, 1440, 1475, 1488, 1500, 1534, 1550, 1560, 1593, 1600, 1612, 1625, 1664, 1674, 1728, 1755, 1770, 1800, 1829, 1860, 1872, 1888, 1920, 1950, 1984, 2000, 2015, 2080, 2124, 2160, 2232, 2250, 2301, 2304, 2325, 2340, 2360, 2400, 2418, 2480, 2496, 2600, 2655, 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約数ペア:

[(1, 20543328000), (2, 10271664000), (3, 6847776000), (4, 5135832000), (5, 4108665600), (6, 3423888000), (8, 2567916000), (9, 2282592000), (10, 2054332800), (12, 1711944000), (13, 1580256000), (15, 1369555200), (16, 1283958000), (18, 1141296000), (20, 1027166400), (24, 855972000), (25, 821733120), (26, 790128000), (27, 760864000), (30, 684777600), (31, 662688000), (32, 641979000), (36, 570648000), (39, 526752000), (40, 513583200), (45, 456518400), (48, 427986000), (50, 410866560), (52, 395064000), (54, 380432000), (59, 348192000), (60, 342388800), (62, 331344000), (64, 320989500), (65, 316051200), (72, 285324000), (75, 273911040), (78, 263376000), (80, 256791600), (90, 228259200), (93, 220896000), (96, 213993000), (100, 205433280), (104, 197532000), (108, 190216000), (117, 175584000), (118, 174096000), (120, 171194400), (124, 165672000), (125, 164346624), (128, 160494750), (130, 158025600), (135, 152172800), (144, 142662000), (150, 136955520), (155, 132537600), (156, 131688000), (160, 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