20764736640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9173}}^1$

素因数の和:9332

約数の個数: 256

約数和(自身を含む): 74111241600

約数和(自身を除く): 53346504960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 131, 135, 144, 160, 180, 192, 216, 240, 262, 270, 288, 320, 360, 384, 393, 432, 480, 524, 540, 576, 640, 655, 720, 786, 864, 960, 1048, 1080, 1152, 1179, 1310, 1440, 1572, 1728, 1920, 1965, 2096, 2160, 2358, 2620, 2880, 3144, 3456, 3537, 3930, 4192, 4320, 4716, 5240, 5760, 5895, 6288, 7074, 7860, 8384, 8640, 9173, 9432, 10480, 11790, 12576, 14148, 15720, 16768, 17280, 17685, 18346, 18864, 20960, 23580, 25152, 27519, 28296, 31440, 35370, 36692, 37728, 41920, 45865, 47160, 50304, 55038, 56592, 62880, 70740, 73384, 75456, 82557, 83840, 91730, 94320, 110076, 113184, 125760, 137595, 141480, 146768, 150912, 165114, 183460, 188640, 220152, 226368, 247671, 251520, 275190, 282960, 293536, 330228, 366920, 377280, 412785, 440304, 452736, 495342, 550380, 565920, 587072, 660456, 733840, 754560, 825570, 880608, 990684, 1100760, 1131840, 1174144, 1201663, 1238355, 1320912, 1467680, 1651140, 1761216, 1981368, 2201520, 2263680, 2403326, 2476710, 2641824, 2935360, 3302280, 3522432, 3604989, 3962736, 4403040, 4806652, 4953420, 5283648, 5870720, 6008315, 6604560, 7209978, 7925472, 8806080, 9613304, 9906840, 10567296, 10814967, 12016630, 13209120, 14419956, 15850944, 17612160, 18024945, 19226608, 19813680, 21629934, 24033260, 26418240, 28839912, 31701888, 32444901, 36049890, 38453216, 39627360, 43259868, 48066520, 52836480, 54074835, 57679824, 64889802, 72099780, 76906432, 79254720, 86519736, 96133040, 108149670, 115359648, 129779604, 144199560, 153812864, 158509440, 162224505, 173039472, 192266080, 216299340, 230719296, 259559208, 288399120, 324449010, 346078944, 384532160, 432598680, 461438592, 519118416, 576798240, 648898020, 692157888, 769064320, 865197360, 1038236832, 1153596480, 1297796040, 1384315776, 1730394720, 2076473664, 2307192960, 2595592080, 3460789440, 4152947328, 5191184160, 6921578880, 10382368320, 20764736640]

約数ペア:

[(1, 20764736640), (2, 10382368320), (3, 6921578880), (4, 5191184160), (5, 4152947328), (6, 3460789440), (8, 2595592080), (9, 2307192960), (10, 2076473664), (12, 1730394720), (15, 1384315776), (16, 1297796040), (18, 1153596480), (20, 1038236832), (24, 865197360), (27, 769064320), (30, 692157888), (32, 648898020), (36, 576798240), (40, 519118416), (45, 461438592), (48, 432598680), (54, 384532160), (60, 346078944), (64, 324449010), (72, 288399120), (80, 259559208), (90, 230719296), (96, 216299340), (108, 192266080), (120, 173039472), (128, 162224505), (131, 158509440), (135, 153812864), (144, 144199560), (160, 129779604), (180, 115359648), (192, 108149670), (216, 96133040), (240, 86519736), (262, 79254720), (270, 76906432), (288, 72099780), (320, 64889802), (360, 57679824), (384, 54074835), (393, 52836480), (432, 48066520), (480, 43259868), (524, 39627360), (540, 38453216), (576, 36049890), (640, 32444901), (655, 31701888), (720, 28839912), (786, 26418240), (864, 24033260), (960, 21629934), (1048, 19813680), (1080, 19226608), (1152, 18024945), (1179, 17612160), (1310, 15850944), (1440, 14419956), (1572, 13209120), (1728, 12016630), (1920, 10814967), (1965, 10567296), (2096, 9906840), (2160, 9613304), (2358, 8806080), (2620, 7925472), (2880, 7209978), (3144, 6604560), (3456, 6008315), (3537, 5870720), (3930, 5283648), (4192, 4953420), (4320, 4806652), (4716, 4403040), (5240, 3962736), (5760, 3604989), (5895, 3522432), (6288, 3302280), (7074, 2935360), (7860, 2641824), (8384, 2476710), (8640, 2403326), (9173, 2263680), (9432, 2201520), (10480, 1981368), (11790, 1761216), (12576, 1651140), (14148, 1467680), (15720, 1320912), (16768, 1238355), (17280, 1201663), (17685, 1174144), (18346, 1131840), (18864, 1100760), (20960, 990684), (23580, 880608), (25152, 825570), (27519, 754560), (28296, 733840), (31440, 660456), (35370, 587072), (36692, 565920), (37728, 550380), (41920, 495342), (45865, 452736), (47160, 440304), (50304, 412785), (55038, 377280), (56592, 366920), (62880, 330228), (70740, 293536), (73384, 282960), (75456, 275190), (82557, 251520), (83840, 247671), (91730, 226368), (94320, 220152), (110076, 188640), (113184, 183460), (125760, 165114), (137595, 150912), (141480, 146768)]