398010240

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:802

約数の個数: 256

約数和(自身を含む): 1457049600

約数和(自身を除く): 1059039360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 540, 558, 576, 620, 640, 720, 743, 744, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1395, 1440, 1486, 1488, 1674, 1728, 1860, 1920, 1984, 2160, 2229, 2232, 2480, 2790, 2880, 2972, 2976, 3348, 3456, 3715, 3720, 3968, 4185, 4320, 4458, 4464, 4960, 5580, 5760, 5944, 5952, 6687, 6696, 7430, 7440, 8370, 8640, 8916, 8928, 9920, 11145, 11160, 11888, 11904, 13374, 13392, 14860, 14880, 16740, 17280, 17832, 17856, 19840, 20061, 22290, 22320, 23033, 23776, 26748, 26784, 29720, 29760, 33435, 33480, 35664, 35712, 40122, 44580, 44640, 46066, 47552, 53496, 53568, 59440, 59520, 66870, 66960, 69099, 71328, 80244, 89160, 89280, 92132, 95104, 100305, 106992, 107136, 115165, 118880, 133740, 133920, 138198, 142656, 160488, 178320, 178560, 184264, 200610, 207297, 213984, 230330, 237760, 267480, 267840, 276396, 285312, 320976, 345495, 356640, 368528, 401220, 414594, 427968, 460660, 475520, 534960, 535680, 552792, 621891, 641952, 690990, 713280, 737056, 802440, 829188, 855936, 921320, 1036485, 1069920, 1105584, 1243782, 1283904, 1381980, 1426560, 1474112, 1604880, 1658376, 1842640, 2072970, 2139840, 2211168, 2487564, 2567808, 2763960, 2948224, 3109455, 3209760, 3316752, 3685280, 4145940, 4279680, 4422336, 4975128, 5527920, 6218910, 6419520, 6633504, 7370560, 8291880, 8844672, 9950256, 11055840, 12437820, 12839040, 13267008, 14741120, 16583760, 19900512, 22111680, 24875640, 26534016, 33167520, 39801024, 44223360, 49751280, 66335040, 79602048, 99502560, 132670080, 199005120, 398010240]

約数ペア:

[(1, 398010240), (2, 199005120), (3, 132670080), (4, 99502560), (5, 79602048), (6, 66335040), (8, 49751280), (9, 44223360), (10, 39801024), (12, 33167520), (15, 26534016), (16, 24875640), (18, 22111680), (20, 19900512), (24, 16583760), (27, 14741120), (30, 13267008), (31, 12839040), (32, 12437820), (36, 11055840), (40, 9950256), (45, 8844672), (48, 8291880), (54, 7370560), (60, 6633504), (62, 6419520), (64, 6218910), (72, 5527920), (80, 4975128), (90, 4422336), (93, 4279680), (96, 4145940), (108, 3685280), (120, 3316752), (124, 3209760), (128, 3109455), (135, 2948224), (144, 2763960), (155, 2567808), (160, 2487564), (180, 2211168), (186, 2139840), (192, 2072970), (216, 1842640), (240, 1658376), (248, 1604880), (270, 1474112), (279, 1426560), (288, 1381980), (310, 1283904), (320, 1243782), (360, 1105584), (372, 1069920), (384, 1036485), (432, 921320), (465, 855936), (480, 829188), (496, 802440), (540, 737056), (558, 713280), (576, 690990), (620, 641952), (640, 621891), (720, 552792), (743, 535680), (744, 534960), (837, 475520), (864, 460660), (930, 427968), (960, 414594), (992, 401220), (1080, 368528), (1116, 356640), (1152, 345495), (1240, 320976), (1395, 285312), (1440, 276396), (1486, 267840), (1488, 267480), (1674, 237760), (1728, 230330), (1860, 213984), (1920, 207297), (1984, 200610), (2160, 184264), (2229, 178560), (2232, 178320), (2480, 160488), (2790, 142656), (2880, 138198), (2972, 133920), (2976, 133740), (3348, 118880), (3456, 115165), (3715, 107136), (3720, 106992), (3968, 100305), (4185, 95104), (4320, 92132), (4458, 89280), (4464, 89160), (4960, 80244), (5580, 71328), (5760, 69099), (5944, 66960), (5952, 66870), (6687, 59520), (6696, 59440), (7430, 53568), (7440, 53496), (8370, 47552), (8640, 46066), (8916, 44640), (8928, 44580), (9920, 40122), (11145, 35712), (11160, 35664), (11888, 33480), (11904, 33435), (13374, 29760), (13392, 29720), (14860, 26784), (14880, 26748), (16740, 23776), (17280, 23033), (17832, 22320), (17856, 22290), (19840, 20061)]