81631410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 160288590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 41, 42, 57, 70, 82, 95, 105, 114, 123, 133, 190, 205, 210, 246, 266, 285, 287, 399, 410, 499, 570, 574, 615, 665, 779, 798, 861, 998, 1230, 1330, 1435, 1497, 1558, 1722, 1995, 2337, 2495, 2870, 2994, 3493, 3895, 3990, 4305, 4674, 4990, 5453, 6986, 7485, 7790, 8610, 9481, 10479, 10906, 11685, 14970, 16359, 17465, 18962, 20459, 20958, 23370, 27265, 28443, 32718, 34930, 40918, 47405, 52395, 54530, 56886, 61377, 66367, 81795, 94810, 102295, 104790, 122754, 132734, 142215, 143213, 163590, 199101, 204590, 284430, 286426, 306885, 331835, 388721, 398202, 429639, 613770, 663670, 716065, 777442, 859278, 995505, 1166163, 1432130, 1943605, 1991010, 2148195, 2332326, 2721047, 3887210, 4296390, 5442094, 5830815, 8163141, 11661630, 13605235, 16326282, 27210470, 40815705, 81631410]

約数ペア:

[(1, 81631410), (2, 40815705), (3, 27210470), (5, 16326282), (6, 13605235), (7, 11661630), (10, 8163141), (14, 5830815), (15, 5442094), (19, 4296390), (21, 3887210), (30, 2721047), (35, 2332326), (38, 2148195), (41, 1991010), (42, 1943605), (57, 1432130), (70, 1166163), (82, 995505), (95, 859278), (105, 777442), (114, 716065), (123, 663670), (133, 613770), (190, 429639), (205, 398202), (210, 388721), (246, 331835), (266, 306885), (285, 286426), (287, 284430), (399, 204590), (410, 199101), (499, 163590), (570, 143213), (574, 142215), (615, 132734), (665, 122754), (779, 104790), (798, 102295), (861, 94810), (998, 81795), (1230, 66367), (1330, 61377), (1435, 56886), (1497, 54530), (1558, 52395), (1722, 47405), (1995, 40918), (2337, 34930), (2495, 32718), (2870, 28443), (2994, 27265), (3493, 23370), (3895, 20958), (3990, 20459), (4305, 18962), (4674, 17465), (4990, 16359), (5453, 14970), (6986, 11685), (7485, 10906), (7790, 10479), (8610, 9481)]