639897120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3499}}^1$

素因数の和:3647

約数の個数: 144

約数和(自身を含む): 2201472000

約数和(自身を除く): 1561574880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 127, 144, 160, 180, 240, 254, 288, 360, 381, 480, 508, 635, 720, 762, 1016, 1143, 1270, 1440, 1524, 1905, 2032, 2286, 2540, 3048, 3499, 3810, 4064, 4572, 5080, 5715, 6096, 6998, 7620, 9144, 10160, 10497, 11430, 12192, 13996, 15240, 17495, 18288, 20320, 20994, 22860, 27992, 30480, 31491, 34990, 36576, 41988, 45720, 52485, 55984, 60960, 62982, 69980, 83976, 91440, 104970, 111968, 125964, 139960, 157455, 167952, 182880, 209940, 251928, 279920, 314910, 335904, 419880, 444373, 503856, 559840, 629820, 839760, 888746, 1007712, 1259640, 1333119, 1679520, 1777492, 2221865, 2519280, 2666238, 3554984, 3999357, 4443730, 5038560, 5332476, 6665595, 7109968, 7998714, 8887460, 10664952, 13331190, 14219936, 15997428, 17774920, 19996785, 21329904, 26662380, 31994856, 35549840, 39993570, 42659808, 53324760, 63989712, 71099680, 79987140, 106649520, 127979424, 159974280, 213299040, 319948560, 639897120]

約数ペア:

[(1, 639897120), (2, 319948560), (3, 213299040), (4, 159974280), (5, 127979424), (6, 106649520), (8, 79987140), (9, 71099680), (10, 63989712), (12, 53324760), (15, 42659808), (16, 39993570), (18, 35549840), (20, 31994856), (24, 26662380), (30, 21329904), (32, 19996785), (36, 17774920), (40, 15997428), (45, 14219936), (48, 13331190), (60, 10664952), (72, 8887460), (80, 7998714), (90, 7109968), (96, 6665595), (120, 5332476), (127, 5038560), (144, 4443730), (160, 3999357), (180, 3554984), (240, 2666238), (254, 2519280), (288, 2221865), (360, 1777492), (381, 1679520), (480, 1333119), (508, 1259640), (635, 1007712), (720, 888746), (762, 839760), (1016, 629820), (1143, 559840), (1270, 503856), (1440, 444373), (1524, 419880), (1905, 335904), (2032, 314910), (2286, 279920), (2540, 251928), (3048, 209940), (3499, 182880), (3810, 167952), (4064, 157455), (4572, 139960), (5080, 125964), (5715, 111968), (6096, 104970), (6998, 91440), (7620, 83976), (9144, 69980), (10160, 62982), (10497, 60960), (11430, 55984), (12192, 52485), (13996, 45720), (15240, 41988), (17495, 36576), (18288, 34990), (20320, 31491), (20994, 30480), (22860, 27992)]