20389510080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{63781}}^1$

素因数の和:63844

約数の個数: 224

約数和(自身を含む): 73874863680

約数和(自身を除く): 53485353600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 432, 444, 480, 540, 555, 576, 592, 666, 720, 740, 864, 888, 960, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1665, 1728, 1776, 1998, 2160, 2220, 2368, 2664, 2880, 2960, 3330, 3552, 3996, 4320, 4440, 4995, 5328, 5920, 6660, 7104, 7992, 8640, 8880, 9990, 10656, 11840, 13320, 15984, 17760, 19980, 21312, 26640, 31968, 35520, 39960, 53280, 63781, 63936, 79920, 106560, 127562, 159840, 191343, 255124, 318905, 319680, 382686, 510248, 574029, 637810, 765372, 956715, 1020496, 1148058, 1275620, 1530744, 1722087, 1913430, 2040992, 2296116, 2359897, 2551240, 2870145, 3061488, 3444174, 3826860, 4081984, 4592232, 4719794, 5102480, 5740290, 6122976, 6888348, 7079691, 7653720, 8610435, 9184464, 9439588, 10204960, 11480580, 11799485, 12245952, 13776696, 14159382, 15307440, 17220870, 18368928, 18879176, 20409920, 21239073, 22961160, 23598970, 27553392, 28318764, 30614880, 34441740, 35398455, 36737856, 37758352, 42478146, 45922320, 47197940, 55106784, 56637528, 61229760, 63717219, 68883480, 70796910, 75516704, 84956292, 91844640, 94395880, 106195365, 110213568, 113275056, 127434438, 137766960, 141593820, 151033408, 169912584, 183689280, 188791760, 212390730, 226550112, 254868876, 275533920, 283187640, 318586095, 339825168, 377583520, 424781460, 453100224, 509737752, 551067840, 566375280, 637172190, 679650336, 755167040, 849562920, 1019475504, 1132750560, 1274344380, 1359300672, 1699125840, 2038951008, 2265501120, 2548688760, 3398251680, 4077902016, 5097377520, 6796503360, 10194755040, 20389510080]

約数ペア:

[(1, 20389510080), (2, 10194755040), (3, 6796503360), (4, 5097377520), (5, 4077902016), (6, 3398251680), (8, 2548688760), (9, 2265501120), (10, 2038951008), (12, 1699125840), (15, 1359300672), (16, 1274344380), (18, 1132750560), (20, 1019475504), (24, 849562920), (27, 755167040), (30, 679650336), (32, 637172190), (36, 566375280), (37, 551067840), (40, 509737752), (45, 453100224), (48, 424781460), (54, 377583520), (60, 339825168), (64, 318586095), (72, 283187640), (74, 275533920), (80, 254868876), (90, 226550112), (96, 212390730), (108, 188791760), (111, 183689280), (120, 169912584), (135, 151033408), (144, 141593820), (148, 137766960), (160, 127434438), (180, 113275056), (185, 110213568), (192, 106195365), (216, 94395880), (222, 91844640), (240, 84956292), (270, 75516704), (288, 70796910), (296, 68883480), (320, 63717219), (333, 61229760), (360, 56637528), (370, 55106784), (432, 47197940), (444, 45922320), (480, 42478146), (540, 37758352), (555, 36737856), (576, 35398455), (592, 34441740), (666, 30614880), (720, 28318764), (740, 27553392), (864, 23598970), (888, 22961160), (960, 21239073), (999, 20409920), (1080, 18879176), (1110, 18368928), (1184, 17220870), (1332, 15307440), (1440, 14159382), (1480, 13776696), (1665, 12245952), (1728, 11799485), (1776, 11480580), (1998, 10204960), (2160, 9439588), (2220, 9184464), (2368, 8610435), (2664, 7653720), (2880, 7079691), (2960, 6888348), (3330, 6122976), (3552, 5740290), (3996, 5102480), (4320, 4719794), (4440, 4592232), (4995, 4081984), (5328, 3826860), (5920, 3444174), (6660, 3061488), (7104, 2870145), (7992, 2551240), (8640, 2359897), (8880, 2296116), (9990, 2040992), (10656, 1913430), (11840, 1722087), (13320, 1530744), (15984, 1275620), (17760, 1148058), (19980, 1020496), (21312, 956715), (26640, 765372), (31968, 637810), (35520, 574029), (39960, 510248), (53280, 382686), (63781, 319680), (63936, 318905), (79920, 255124), (106560, 191343), (127562, 159840)]