19288080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 76602240

約数和(自身を除く): 57314160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 80, 84, 86, 89, 90, 105, 112, 120, 126, 129, 140, 144, 168, 172, 178, 180, 210, 215, 240, 252, 258, 267, 280, 301, 315, 336, 344, 356, 360, 387, 420, 430, 445, 504, 516, 534, 560, 602, 623, 630, 645, 688, 712, 720, 774, 801, 840, 860, 890, 903, 1008, 1032, 1068, 1204, 1246, 1260, 1290, 1335, 1424, 1505, 1548, 1602, 1680, 1720, 1780, 1806, 1869, 1935, 2064, 2136, 2408, 2492, 2520, 2580, 2670, 2709, 3010, 3096, 3115, 3204, 3440, 3560, 3612, 3738, 3827, 3870, 4005, 4272, 4515, 4816, 4984, 5040, 5160, 5340, 5418, 5607, 6020, 6192, 6230, 6408, 7120, 7224, 7476, 7654, 7740, 8010, 9030, 9345, 9968, 10320, 10680, 10836, 11214, 11481, 12040, 12460, 12816, 13545, 14448, 14952, 15308, 15480, 16020, 18060, 18690, 19135, 21360, 21672, 22428, 22962, 24080, 24920, 26789, 27090, 28035, 29904, 30616, 30960, 32040, 34443, 36120, 37380, 38270, 43344, 44856, 45924, 49840, 53578, 54180, 56070, 57405, 61232, 64080, 68886, 72240, 74760, 76540, 80367, 89712, 91848, 107156, 108360, 112140, 114810, 133945, 137772, 149520, 153080, 160734, 172215, 183696, 214312, 216720, 224280, 229620, 241101, 267890, 275544, 306160, 321468, 344430, 401835, 428624, 448560, 459240, 482202, 535780, 551088, 642936, 688860, 803670, 918480, 964404, 1071560, 1205505, 1285872, 1377720, 1607340, 1928808, 2143120, 2411010, 2755440, 3214680, 3857616, 4822020, 6429360, 9644040, 19288080]

約数ペア:

[(1, 19288080), (2, 9644040), (3, 6429360), (4, 4822020), (5, 3857616), (6, 3214680), (7, 2755440), (8, 2411010), (9, 2143120), (10, 1928808), (12, 1607340), (14, 1377720), (15, 1285872), (16, 1205505), (18, 1071560), (20, 964404), (21, 918480), (24, 803670), (28, 688860), (30, 642936), (35, 551088), (36, 535780), (40, 482202), (42, 459240), (43, 448560), (45, 428624), (48, 401835), (56, 344430), (60, 321468), (63, 306160), (70, 275544), (72, 267890), (80, 241101), (84, 229620), (86, 224280), (89, 216720), (90, 214312), (105, 183696), (112, 172215), (120, 160734), (126, 153080), (129, 149520), (140, 137772), (144, 133945), (168, 114810), (172, 112140), (178, 108360), (180, 107156), (210, 91848), (215, 89712), (240, 80367), (252, 76540), (258, 74760), (267, 72240), (280, 68886), (301, 64080), (315, 61232), (336, 57405), (344, 56070), (356, 54180), (360, 53578), (387, 49840), (420, 45924), (430, 44856), (445, 43344), (504, 38270), (516, 37380), (534, 36120), (560, 34443), (602, 32040), (623, 30960), (630, 30616), (645, 29904), (688, 28035), (712, 27090), (720, 26789), (774, 24920), (801, 24080), (840, 22962), (860, 22428), (890, 21672), (903, 21360), (1008, 19135), (1032, 18690), (1068, 18060), (1204, 16020), (1246, 15480), (1260, 15308), (1290, 14952), (1335, 14448), (1424, 13545), (1505, 12816), (1548, 12460), (1602, 12040), (1680, 11481), (1720, 11214), (1780, 10836), (1806, 10680), (1869, 10320), (1935, 9968), (2064, 9345), (2136, 9030), (2408, 8010), (2492, 7740), (2520, 7654), (2580, 7476), (2670, 7224), (2709, 7120), (3010, 6408), (3096, 6230), (3115, 6192), (3204, 6020), (3440, 5607), (3560, 5418), (3612, 5340), (3738, 5160), (3827, 5040), (3870, 4984), (4005, 4816), (4272, 4515)]