254202480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1684

約数の個数: 240

約数和(自身を含む): 1007745024

約数和(自身を除く): 753542544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1627, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3254, 3255, 3472, 3720, 3906, 4340, 4464, 4881, 5040, 5208, 5580, 6508, 6510, 7440, 7812, 8135, 8680, 9762, 9765, 10416, 11160, 11389, 13016, 13020, 14643, 15624, 16270, 17360, 19524, 19530, 22320, 22778, 24405, 26032, 26040, 29286, 31248, 32540, 34167, 39048, 39060, 45556, 48810, 50437, 52080, 56945, 58572, 65080, 68334, 73215, 78096, 78120, 91112, 97620, 100874, 102501, 113890, 117144, 130160, 136668, 146430, 151311, 156240, 170835, 182224, 195240, 201748, 205002, 227780, 234288, 252185, 273336, 292860, 302622, 341670, 353059, 390480, 403496, 410004, 453933, 455560, 504370, 512505, 546672, 585720, 605244, 683340, 706118, 756555, 806992, 820008, 907866, 911120, 1008740, 1025010, 1059177, 1171440, 1210488, 1366680, 1412236, 1513110, 1640016, 1765295, 1815732, 2017480, 2050020, 2118354, 2269665, 2420976, 2733360, 2824472, 3026220, 3177531, 3530590, 3631464, 4034960, 4100040, 4236708, 4539330, 5295885, 5648944, 6052440, 6355062, 7061180, 7262928, 8200080, 8473416, 9078660, 10591770, 12104880, 12710124, 14122360, 15887655, 16946832, 18157320, 21183540, 25420248, 28244720, 31775310, 36314640, 42367080, 50840496, 63550620, 84734160, 127101240, 254202480]

約数ペア:

[(1, 254202480), (2, 127101240), (3, 84734160), (4, 63550620), (5, 50840496), (6, 42367080), (7, 36314640), (8, 31775310), (9, 28244720), (10, 25420248), (12, 21183540), (14, 18157320), (15, 16946832), (16, 15887655), (18, 14122360), (20, 12710124), (21, 12104880), (24, 10591770), (28, 9078660), (30, 8473416), (31, 8200080), (35, 7262928), (36, 7061180), (40, 6355062), (42, 6052440), (45, 5648944), (48, 5295885), (56, 4539330), (60, 4236708), (62, 4100040), (63, 4034960), (70, 3631464), (72, 3530590), (80, 3177531), (84, 3026220), (90, 2824472), (93, 2733360), (105, 2420976), (112, 2269665), (120, 2118354), (124, 2050020), (126, 2017480), (140, 1815732), (144, 1765295), (155, 1640016), (168, 1513110), (180, 1412236), (186, 1366680), (210, 1210488), (217, 1171440), (240, 1059177), (248, 1025010), (252, 1008740), (279, 911120), (280, 907866), (310, 820008), (315, 806992), (336, 756555), (360, 706118), (372, 683340), (420, 605244), (434, 585720), (465, 546672), (496, 512505), (504, 504370), (558, 455560), (560, 453933), (620, 410004), (630, 403496), (651, 390480), (720, 353059), (744, 341670), (840, 302622), (868, 292860), (930, 273336), (1008, 252185), (1085, 234288), (1116, 227780), (1240, 205002), (1260, 201748), (1302, 195240), (1395, 182224), (1488, 170835), (1627, 156240), (1680, 151311), (1736, 146430), (1860, 136668), (1953, 130160), (2170, 117144), (2232, 113890), (2480, 102501), (2520, 100874), (2604, 97620), (2790, 91112), (3254, 78120), (3255, 78096), (3472, 73215), (3720, 68334), (3906, 65080), (4340, 58572), (4464, 56945), (4881, 52080), (5040, 50437), (5208, 48810), (5580, 45556), (6508, 39060), (6510, 39048), (7440, 34167), (7812, 32540), (8135, 31248), (8680, 29286), (9762, 26040), (9765, 26032), (10416, 24405), (11160, 22778), (11389, 22320), (13016, 19530), (13020, 19524), (14643, 17360), (15624, 16270)]