255218640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:709

約数の個数: 160

約数和(自身を含む): 842862720

約数和(自身を除く): 587644080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 97, 114, 120, 152, 190, 194, 228, 240, 285, 291, 304, 380, 388, 456, 485, 570, 577, 582, 760, 776, 912, 970, 1140, 1154, 1164, 1455, 1520, 1552, 1731, 1843, 1940, 2280, 2308, 2328, 2885, 2910, 3462, 3686, 3880, 4560, 4616, 4656, 5529, 5770, 5820, 6924, 7372, 7760, 8655, 9215, 9232, 10963, 11058, 11540, 11640, 13848, 14744, 17310, 18430, 21926, 22116, 23080, 23280, 27645, 27696, 29488, 32889, 34620, 36860, 43852, 44232, 46160, 54815, 55290, 55969, 65778, 69240, 73720, 87704, 88464, 109630, 110580, 111938, 131556, 138480, 147440, 164445, 167907, 175408, 219260, 221160, 223876, 263112, 279845, 328890, 335814, 438520, 442320, 447752, 526224, 559690, 657780, 671628, 839535, 877040, 895504, 1063411, 1119380, 1315560, 1343256, 1679070, 2126822, 2238760, 2631120, 2686512, 3190233, 3358140, 4253644, 4477520, 5317055, 6380466, 6716280, 8507288, 10634110, 12760932, 13432560, 15951165, 17014576, 21268220, 25521864, 31902330, 42536440, 51043728, 63804660, 85072880, 127609320, 255218640]

約数ペア:

[(1, 255218640), (2, 127609320), (3, 85072880), (4, 63804660), (5, 51043728), (6, 42536440), (8, 31902330), (10, 25521864), (12, 21268220), (15, 17014576), (16, 15951165), (19, 13432560), (20, 12760932), (24, 10634110), (30, 8507288), (38, 6716280), (40, 6380466), (48, 5317055), (57, 4477520), (60, 4253644), (76, 3358140), (80, 3190233), (95, 2686512), (97, 2631120), (114, 2238760), (120, 2126822), (152, 1679070), (190, 1343256), (194, 1315560), (228, 1119380), (240, 1063411), (285, 895504), (291, 877040), (304, 839535), (380, 671628), (388, 657780), (456, 559690), (485, 526224), (570, 447752), (577, 442320), (582, 438520), (760, 335814), (776, 328890), (912, 279845), (970, 263112), (1140, 223876), (1154, 221160), (1164, 219260), (1455, 175408), (1520, 167907), (1552, 164445), (1731, 147440), (1843, 138480), (1940, 131556), (2280, 111938), (2308, 110580), (2328, 109630), (2885, 88464), (2910, 87704), (3462, 73720), (3686, 69240), (3880, 65778), (4560, 55969), (4616, 55290), (4656, 54815), (5529, 46160), (5770, 44232), (5820, 43852), (6924, 36860), (7372, 34620), (7760, 32889), (8655, 29488), (9215, 27696), (9232, 27645), (10963, 23280), (11058, 23080), (11540, 22116), (11640, 21926), (13848, 18430), (14744, 17310)]