251929440

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2777}}^1$

素因数の和:2811

約数の個数: 240

約数和(自身を含む): 1016481312

約数和(自身を除く): 764551872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2777, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5554, 5670, 6048, 6480, 7560, 8331, 9072, 10080, 11108, 11340, 12960, 13885, 15120, 16662, 18144, 19439, 22216, 22680, 24993, 27770, 30240, 33324, 38878, 41655, 44432, 45360, 49986, 55540, 58317, 66648, 74979, 77756, 83310, 88864, 90720, 97195, 99972, 111080, 116634, 124965, 133296, 149958, 155512, 166620, 174951, 194390, 199944, 222160, 224937, 233268, 249930, 266592, 291585, 299916, 311024, 333240, 349902, 374895, 388780, 399888, 444320, 449874, 466536, 499860, 524853, 583170, 599832, 622048, 666480, 699804, 749790, 777560, 799776, 874755, 899748, 933072, 999720, 1049706, 1124685, 1166340, 1199664, 1332960, 1399608, 1499580, 1555120, 1574559, 1749510, 1799496, 1866144, 1999440, 2099412, 2249370, 2332680, 2399328, 2624265, 2799216, 2999160, 3110240, 3149118, 3499020, 3598992, 3998880, 4198824, 4498740, 4665360, 5248530, 5598432, 5998320, 6298236, 6998040, 7197984, 7872795, 8397648, 8997480, 9330720, 10497060, 11996640, 12596472, 13996080, 15745590, 16795296, 17994960, 20994120, 25192944, 27992160, 31491180, 35989920, 41988240, 50385888, 62982360, 83976480, 125964720, 251929440]

約数ペア:

[(1, 251929440), (2, 125964720), (3, 83976480), (4, 62982360), (5, 50385888), (6, 41988240), (7, 35989920), (8, 31491180), (9, 27992160), (10, 25192944), (12, 20994120), (14, 17994960), (15, 16795296), (16, 15745590), (18, 13996080), (20, 12596472), (21, 11996640), (24, 10497060), (27, 9330720), (28, 8997480), (30, 8397648), (32, 7872795), (35, 7197984), (36, 6998040), (40, 6298236), (42, 5998320), (45, 5598432), (48, 5248530), (54, 4665360), (56, 4498740), (60, 4198824), (63, 3998880), (70, 3598992), (72, 3499020), (80, 3149118), (81, 3110240), (84, 2999160), (90, 2799216), (96, 2624265), (105, 2399328), (108, 2332680), (112, 2249370), (120, 2099412), (126, 1999440), (135, 1866144), (140, 1799496), (144, 1749510), (160, 1574559), (162, 1555120), (168, 1499580), (180, 1399608), (189, 1332960), (210, 1199664), (216, 1166340), (224, 1124685), (240, 1049706), (252, 999720), (270, 933072), (280, 899748), (288, 874755), (315, 799776), (324, 777560), (336, 749790), (360, 699804), (378, 666480), (405, 622048), (420, 599832), (432, 583170), (480, 524853), (504, 499860), (540, 466536), (560, 449874), (567, 444320), (630, 399888), (648, 388780), (672, 374895), (720, 349902), (756, 333240), (810, 311024), (840, 299916), (864, 291585), (945, 266592), (1008, 249930), (1080, 233268), (1120, 224937), (1134, 222160), (1260, 199944), (1296, 194390), (1440, 174951), (1512, 166620), (1620, 155512), (1680, 149958), (1890, 133296), (2016, 124965), (2160, 116634), (2268, 111080), (2520, 99972), (2592, 97195), (2777, 90720), (2835, 88864), (3024, 83310), (3240, 77756), (3360, 74979), (3780, 66648), (4320, 58317), (4536, 55540), (5040, 49986), (5554, 45360), (5670, 44432), (6048, 41655), (6480, 38878), (7560, 33324), (8331, 30240), (9072, 27770), (10080, 24993), (11108, 22680), (11340, 22216), (12960, 19439), (13885, 18144), (15120, 16662)]