253073920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 240

約数和(自身を含む): 718391520

約数和(自身を除く): 465317600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 43, 44, 55, 64, 76, 80, 86, 88, 95, 110, 121, 128, 152, 160, 172, 176, 190, 209, 215, 220, 242, 256, 304, 320, 344, 352, 380, 418, 430, 440, 473, 484, 512, 605, 608, 640, 688, 704, 760, 817, 836, 860, 880, 946, 968, 1045, 1210, 1216, 1280, 1376, 1408, 1520, 1634, 1672, 1720, 1760, 1892, 1936, 2090, 2299, 2365, 2420, 2432, 2560, 2752, 2816, 3040, 3268, 3344, 3440, 3520, 3784, 3872, 4085, 4180, 4598, 4730, 4840, 4864, 5203, 5504, 5632, 6080, 6536, 6688, 6880, 7040, 7568, 7744, 8170, 8360, 8987, 9196, 9460, 9680, 9728, 10406, 11008, 11495, 12160, 13072, 13376, 13760, 14080, 15136, 15488, 16340, 16720, 17974, 18392, 18920, 19360, 20812, 22016, 22990, 24320, 26015, 26144, 26752, 27520, 28160, 30272, 30976, 32680, 33440, 35948, 36784, 37840, 38720, 41624, 44935, 45980, 48640, 52030, 52288, 53504, 55040, 60544, 61952, 65360, 66880, 71896, 73568, 75680, 77440, 83248, 89870, 91960, 98857, 104060, 104576, 107008, 110080, 121088, 130720, 133760, 143792, 147136, 151360, 154880, 166496, 179740, 183920, 197714, 208120, 209152, 242176, 261440, 267520, 287584, 294272, 302720, 309760, 332992, 359480, 367840, 395428, 416240, 418304, 494285, 522880, 535040, 575168, 588544, 605440, 665984, 718960, 735680, 790856, 832480, 988570, 1045760, 1150336, 1177088, 1210880, 1331968, 1437920, 1471360, 1581712, 1664960, 1977140, 2091520, 2300672, 2663936, 2875840, 2942720, 3163424, 3329920, 3954280, 4601344, 5751680, 5885440, 6326848, 6659840, 7908560, 11503360, 12653696, 13319680, 15817120, 23006720, 25307392, 31634240, 50614784, 63268480, 126536960, 253073920]

約数ペア:

[(1, 253073920), (2, 126536960), (4, 63268480), (5, 50614784), (8, 31634240), (10, 25307392), (11, 23006720), (16, 15817120), (19, 13319680), (20, 12653696), (22, 11503360), (32, 7908560), (38, 6659840), (40, 6326848), (43, 5885440), (44, 5751680), (55, 4601344), (64, 3954280), (76, 3329920), (80, 3163424), (86, 2942720), (88, 2875840), (95, 2663936), (110, 2300672), (121, 2091520), (128, 1977140), (152, 1664960), (160, 1581712), (172, 1471360), (176, 1437920), (190, 1331968), (209, 1210880), (215, 1177088), (220, 1150336), (242, 1045760), (256, 988570), (304, 832480), (320, 790856), (344, 735680), (352, 718960), (380, 665984), (418, 605440), (430, 588544), (440, 575168), (473, 535040), (484, 522880), (512, 494285), (605, 418304), (608, 416240), (640, 395428), (688, 367840), (704, 359480), (760, 332992), (817, 309760), (836, 302720), (860, 294272), (880, 287584), (946, 267520), (968, 261440), (1045, 242176), (1210, 209152), (1216, 208120), (1280, 197714), (1376, 183920), (1408, 179740), (1520, 166496), (1634, 154880), (1672, 151360), (1720, 147136), (1760, 143792), (1892, 133760), (1936, 130720), (2090, 121088), (2299, 110080), (2365, 107008), (2420, 104576), (2432, 104060), (2560, 98857), (2752, 91960), (2816, 89870), (3040, 83248), (3268, 77440), (3344, 75680), (3440, 73568), (3520, 71896), (3784, 66880), (3872, 65360), (4085, 61952), (4180, 60544), (4598, 55040), (4730, 53504), (4840, 52288), (4864, 52030), (5203, 48640), (5504, 45980), (5632, 44935), (6080, 41624), (6536, 38720), (6688, 37840), (6880, 36784), (7040, 35948), (7568, 33440), (7744, 32680), (8170, 30976), (8360, 30272), (8987, 28160), (9196, 27520), (9460, 26752), (9680, 26144), (9728, 26015), (10406, 24320), (11008, 22990), (11495, 22016), (12160, 20812), (13072, 19360), (13376, 18920), (13760, 18392), (14080, 17974), (15136, 16720), (15488, 16340)]