15817120

素因数分解:

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

素因数の和:99

約数の個数: 144

約数和(自身を含む): 44241120

約数和(自身を除く): 28424000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 43, 44, 55, 76, 80, 86, 88, 95, 110, 121, 152, 160, 172, 176, 190, 209, 215, 220, 242, 304, 344, 352, 380, 418, 430, 440, 473, 484, 605, 608, 688, 760, 817, 836, 860, 880, 946, 968, 1045, 1210, 1376, 1520, 1634, 1672, 1720, 1760, 1892, 1936, 2090, 2299, 2365, 2420, 3040, 3268, 3344, 3440, 3784, 3872, 4085, 4180, 4598, 4730, 4840, 5203, 6536, 6688, 6880, 7568, 8170, 8360, 8987, 9196, 9460, 9680, 10406, 11495, 13072, 15136, 16340, 16720, 17974, 18392, 18920, 19360, 20812, 22990, 26015, 26144, 32680, 33440, 35948, 36784, 37840, 41624, 44935, 45980, 52030, 65360, 71896, 73568, 75680, 83248, 89870, 91960, 98857, 104060, 130720, 143792, 166496, 179740, 183920, 197714, 208120, 287584, 359480, 367840, 395428, 416240, 494285, 718960, 790856, 832480, 988570, 1437920, 1581712, 1977140, 3163424, 3954280, 7908560, 15817120]

約数ペア:

[(1, 15817120), (2, 7908560), (4, 3954280), (5, 3163424), (8, 1977140), (10, 1581712), (11, 1437920), (16, 988570), (19, 832480), (20, 790856), (22, 718960), (32, 494285), (38, 416240), (40, 395428), (43, 367840), (44, 359480), (55, 287584), (76, 208120), (80, 197714), (86, 183920), (88, 179740), (95, 166496), (110, 143792), (121, 130720), (152, 104060), (160, 98857), (172, 91960), (176, 89870), (190, 83248), (209, 75680), (215, 73568), (220, 71896), (242, 65360), (304, 52030), (344, 45980), (352, 44935), (380, 41624), (418, 37840), (430, 36784), (440, 35948), (473, 33440), (484, 32680), (605, 26144), (608, 26015), (688, 22990), (760, 20812), (817, 19360), (836, 18920), (860, 18392), (880, 17974), (946, 16720), (968, 16340), (1045, 15136), (1210, 13072), (1376, 11495), (1520, 10406), (1634, 9680), (1672, 9460), (1720, 9196), (1760, 8987), (1892, 8360), (1936, 8170), (2090, 7568), (2299, 6880), (2365, 6688), (2420, 6536), (3040, 5203), (3268, 4840), (3344, 4730), (3440, 4598), (3784, 4180), (3872, 4085)]