421123080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 256

約数和(自身を含む): 1505433600

約数和(自身を除く): 1084310520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 89, 105, 120, 129, 131, 140, 168, 172, 178, 210, 215, 258, 262, 267, 280, 301, 344, 356, 393, 420, 430, 445, 516, 524, 534, 602, 623, 645, 655, 712, 786, 840, 860, 890, 903, 917, 1032, 1048, 1068, 1204, 1246, 1290, 1310, 1335, 1505, 1572, 1720, 1780, 1806, 1834, 1869, 1965, 2136, 2408, 2492, 2580, 2620, 2670, 2751, 3010, 3115, 3144, 3560, 3612, 3668, 3738, 3827, 3930, 4515, 4585, 4984, 5160, 5240, 5340, 5502, 5633, 6020, 6230, 7224, 7336, 7476, 7654, 7860, 9030, 9170, 9345, 10680, 11004, 11266, 11481, 11659, 12040, 12460, 13755, 14952, 15308, 15720, 16899, 18060, 18340, 18690, 19135, 22008, 22532, 22962, 23318, 24920, 26789, 27510, 28165, 30616, 33798, 34977, 36120, 36680, 37380, 38270, 39431, 45064, 45924, 46636, 53578, 55020, 56330, 57405, 58295, 67596, 69954, 74760, 76540, 78862, 80367, 81613, 84495, 91848, 93272, 107156, 110040, 112660, 114810, 116590, 118293, 133945, 135192, 139908, 153080, 157724, 160734, 163226, 168990, 174885, 197155, 214312, 225320, 229620, 233180, 236586, 244839, 267890, 279816, 315448, 321468, 326452, 337980, 349770, 394310, 401835, 408065, 459240, 466360, 473172, 489678, 501337, 535780, 591465, 642936, 652904, 675960, 699540, 788620, 803670, 816130, 946344, 979356, 1002674, 1071560, 1182930, 1224195, 1399080, 1504011, 1577240, 1607340, 1632260, 1958712, 2005348, 2365860, 2448390, 2506685, 3008022, 3214680, 3264520, 3509359, 4010696, 4731720, 4896780, 5013370, 6016044, 7018718, 7520055, 9793560, 10026740, 10528077, 12032088, 14037436, 15040110, 17546795, 20053480, 21056154, 28074872, 30080220, 35093590, 42112308, 52640385, 60160440, 70187180, 84224616, 105280770, 140374360, 210561540, 421123080]

約数ペア:

[(1, 421123080), (2, 210561540), (3, 140374360), (4, 105280770), (5, 84224616), (6, 70187180), (7, 60160440), (8, 52640385), (10, 42112308), (12, 35093590), (14, 30080220), (15, 28074872), (20, 21056154), (21, 20053480), (24, 17546795), (28, 15040110), (30, 14037436), (35, 12032088), (40, 10528077), (42, 10026740), (43, 9793560), (56, 7520055), (60, 7018718), (70, 6016044), (84, 5013370), (86, 4896780), (89, 4731720), (105, 4010696), (120, 3509359), (129, 3264520), (131, 3214680), (140, 3008022), (168, 2506685), (172, 2448390), (178, 2365860), (210, 2005348), (215, 1958712), (258, 1632260), (262, 1607340), (267, 1577240), (280, 1504011), (301, 1399080), (344, 1224195), (356, 1182930), (393, 1071560), (420, 1002674), (430, 979356), (445, 946344), (516, 816130), (524, 803670), (534, 788620), (602, 699540), (623, 675960), (645, 652904), (655, 642936), (712, 591465), (786, 535780), (840, 501337), (860, 489678), (890, 473172), (903, 466360), (917, 459240), (1032, 408065), (1048, 401835), (1068, 394310), (1204, 349770), (1246, 337980), (1290, 326452), (1310, 321468), (1335, 315448), (1505, 279816), (1572, 267890), (1720, 244839), (1780, 236586), (1806, 233180), (1834, 229620), (1869, 225320), (1965, 214312), (2136, 197155), (2408, 174885), (2492, 168990), (2580, 163226), (2620, 160734), (2670, 157724), (2751, 153080), (3010, 139908), (3115, 135192), (3144, 133945), (3560, 118293), (3612, 116590), (3668, 114810), (3738, 112660), (3827, 110040), (3930, 107156), (4515, 93272), (4585, 91848), (4984, 84495), (5160, 81613), (5240, 80367), (5340, 78862), (5502, 76540), (5633, 74760), (6020, 69954), (6230, 67596), (7224, 58295), (7336, 57405), (7476, 56330), (7654, 55020), (7860, 53578), (9030, 46636), (9170, 45924), (9345, 45064), (10680, 39431), (11004, 38270), (11266, 37380), (11481, 36680), (11659, 36120), (12040, 34977), (12460, 33798), (13755, 30616), (14952, 28165), (15308, 27510), (15720, 26789), (16899, 24920), (18060, 23318), (18340, 22962), (18690, 22532), (19135, 22008)]