278255520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1636

約数の個数: 192

約数和(自身を含む): 998282880

約数和(自身を除く): 720027360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 41, 45, 48, 54, 60, 72, 80, 82, 90, 96, 108, 120, 123, 135, 144, 160, 164, 180, 205, 216, 240, 246, 270, 288, 328, 360, 369, 410, 432, 480, 492, 540, 615, 656, 720, 738, 820, 864, 984, 1080, 1107, 1230, 1312, 1440, 1476, 1571, 1640, 1845, 1968, 2160, 2214, 2460, 2952, 3142, 3280, 3690, 3936, 4320, 4428, 4713, 4920, 5535, 5904, 6284, 6560, 7380, 7855, 8856, 9426, 9840, 11070, 11808, 12568, 14139, 14760, 15710, 17712, 18852, 19680, 22140, 23565, 25136, 28278, 29520, 31420, 35424, 37704, 42417, 44280, 47130, 50272, 56556, 59040, 62840, 64411, 70695, 75408, 84834, 88560, 94260, 113112, 125680, 128822, 141390, 150816, 169668, 177120, 188520, 193233, 212085, 226224, 251360, 257644, 282780, 322055, 339336, 377040, 386466, 424170, 452448, 515288, 565560, 579699, 644110, 678672, 754080, 772932, 848340, 966165, 1030576, 1131120, 1159398, 1288220, 1357344, 1545864, 1696680, 1739097, 1932330, 2061152, 2262240, 2318796, 2576440, 2898495, 3091728, 3393360, 3478194, 3864660, 4637592, 5152880, 5796990, 6183456, 6786720, 6956388, 7729320, 8695485, 9275184, 10305760, 11593980, 13912776, 15458640, 17390970, 18550368, 23187960, 27825552, 30917280, 34781940, 46375920, 55651104, 69563880, 92751840, 139127760, 278255520]

約数ペア:

[(1, 278255520), (2, 139127760), (3, 92751840), (4, 69563880), (5, 55651104), (6, 46375920), (8, 34781940), (9, 30917280), (10, 27825552), (12, 23187960), (15, 18550368), (16, 17390970), (18, 15458640), (20, 13912776), (24, 11593980), (27, 10305760), (30, 9275184), (32, 8695485), (36, 7729320), (40, 6956388), (41, 6786720), (45, 6183456), (48, 5796990), (54, 5152880), (60, 4637592), (72, 3864660), (80, 3478194), (82, 3393360), (90, 3091728), (96, 2898495), (108, 2576440), (120, 2318796), (123, 2262240), (135, 2061152), (144, 1932330), (160, 1739097), (164, 1696680), (180, 1545864), (205, 1357344), (216, 1288220), (240, 1159398), (246, 1131120), (270, 1030576), (288, 966165), (328, 848340), (360, 772932), (369, 754080), (410, 678672), (432, 644110), (480, 579699), (492, 565560), (540, 515288), (615, 452448), (656, 424170), (720, 386466), (738, 377040), (820, 339336), (864, 322055), (984, 282780), (1080, 257644), (1107, 251360), (1230, 226224), (1312, 212085), (1440, 193233), (1476, 188520), (1571, 177120), (1640, 169668), (1845, 150816), (1968, 141390), (2160, 128822), (2214, 125680), (2460, 113112), (2952, 94260), (3142, 88560), (3280, 84834), (3690, 75408), (3936, 70695), (4320, 64411), (4428, 62840), (4713, 59040), (4920, 56556), (5535, 50272), (5904, 47130), (6284, 44280), (6560, 42417), (7380, 37704), (7855, 35424), (8856, 31420), (9426, 29520), (9840, 28278), (11070, 25136), (11808, 23565), (12568, 22140), (14139, 19680), (14760, 18852), (15710, 17712)]