21519673920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19013}}^1$

素因数の和:19170

約数の個数: 224

約数和(自身を含む): 76500167040

約数和(自身を除く): 54980493120

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, 131, 135, 144, 160, 180, 192, 216, 240, 262, 270, 288, 320, 360, 393, 432, 480, 524, 540, 576, 655, 720, 786, 864, 960, 1048, 1080, 1179, 1310, 1440, 1572, 1728, 1965, 2096, 2160, 2358, 2620, 2880, 3144, 3537, 3930, 4192, 4320, 4716, 5240, 5895, 6288, 7074, 7860, 8384, 8640, 9432, 10480, 11790, 12576, 14148, 15720, 17685, 18864, 19013, 20960, 23580, 25152, 28296, 31440, 35370, 37728, 38026, 41920, 47160, 56592, 57039, 62880, 70740, 75456, 76052, 94320, 95065, 113184, 114078, 125760, 141480, 152104, 171117, 188640, 190130, 226368, 228156, 282960, 285195, 304208, 342234, 377280, 380260, 456312, 513351, 565920, 570390, 608416, 684468, 760520, 855585, 912624, 1026702, 1131840, 1140780, 1216832, 1368936, 1521040, 1711170, 1825248, 2053404, 2281560, 2490703, 2566755, 2737872, 3042080, 3422340, 3650496, 4106808, 4563120, 4981406, 5133510, 5475744, 6084160, 6844680, 7472109, 8213616, 9126240, 9962812, 10267020, 10951488, 12453515, 13689360, 14944218, 16427232, 18252480, 19925624, 20534040, 22416327, 24907030, 27378720, 29888436, 32854464, 37360545, 39851248, 41068080, 44832654, 49814060, 54757440, 59776872, 67248981, 74721090, 79702496, 82136160, 89665308, 99628120, 112081635, 119553744, 134497962, 149442180, 159404992, 164272320, 179330616, 199256240, 224163270, 239107488, 268995924, 298884360, 336244905, 358661232, 398512480, 448326540, 478214976, 537991848, 597768720, 672489810, 717322464, 797024960, 896653080, 1075983696, 1195537440, 1344979620, 1434644928, 1793306160, 2151967392, 2391074880, 2689959240, 3586612320, 4303934784, 5379918480, 7173224640, 10759836960, 21519673920]

約数ペア:

[(1, 21519673920), (2, 10759836960), (3, 7173224640), (4, 5379918480), (5, 4303934784), (6, 3586612320), (8, 2689959240), (9, 2391074880), (10, 2151967392), (12, 1793306160), (15, 1434644928), (16, 1344979620), (18, 1195537440), (20, 1075983696), (24, 896653080), (27, 797024960), (30, 717322464), (32, 672489810), (36, 597768720), (40, 537991848), (45, 478214976), (48, 448326540), (54, 398512480), (60, 358661232), (64, 336244905), (72, 298884360), (80, 268995924), (90, 239107488), (96, 224163270), (108, 199256240), (120, 179330616), (131, 164272320), (135, 159404992), (144, 149442180), (160, 134497962), (180, 119553744), (192, 112081635), (216, 99628120), (240, 89665308), (262, 82136160), (270, 79702496), (288, 74721090), (320, 67248981), (360, 59776872), (393, 54757440), (432, 49814060), (480, 44832654), (524, 41068080), (540, 39851248), (576, 37360545), (655, 32854464), (720, 29888436), (786, 27378720), (864, 24907030), (960, 22416327), (1048, 20534040), (1080, 19925624), (1179, 18252480), (1310, 16427232), (1440, 14944218), (1572, 13689360), (1728, 12453515), (1965, 10951488), (2096, 10267020), (2160, 9962812), (2358, 9126240), (2620, 8213616), (2880, 7472109), (3144, 6844680), (3537, 6084160), (3930, 5475744), (4192, 5133510), (4320, 4981406), (4716, 4563120), (5240, 4106808), (5895, 3650496), (6288, 3422340), (7074, 3042080), (7860, 2737872), (8384, 2566755), (8640, 2490703), (9432, 2281560), (10480, 2053404), (11790, 1825248), (12576, 1711170), (14148, 1521040), (15720, 1368936), (17685, 1216832), (18864, 1140780), (19013, 1131840), (20960, 1026702), (23580, 912624), (25152, 855585), (28296, 760520), (31440, 684468), (35370, 608416), (37728, 570390), (38026, 565920), (41920, 513351), (47160, 456312), (56592, 380260), (57039, 377280), (62880, 342234), (70740, 304208), (75456, 285195), (76052, 282960), (94320, 228156), (95065, 226368), (113184, 190130), (114078, 188640), (125760, 171117), (141480, 152104)]