42648540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 138257280

約数和(自身を除く): 95608740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 179, 190, 209, 220, 228, 285, 330, 358, 361, 380, 418, 537, 570, 627, 660, 716, 722, 836, 895, 1045, 1074, 1083, 1140, 1254, 1444, 1790, 1805, 1969, 2090, 2148, 2166, 2508, 2685, 3135, 3401, 3580, 3610, 3938, 3971, 4180, 4332, 5370, 5415, 5907, 6270, 6802, 7220, 7876, 7942, 9845, 10203, 10740, 10830, 11814, 11913, 12540, 13604, 15884, 17005, 19690, 19855, 20406, 21660, 23628, 23826, 29535, 34010, 37411, 39380, 39710, 40812, 47652, 51015, 59070, 59565, 64619, 68020, 74822, 79420, 102030, 112233, 118140, 119130, 129238, 149644, 187055, 193857, 204060, 224466, 238260, 258476, 323095, 374110, 387714, 448932, 561165, 646190, 710809, 748220, 775428, 969285, 1122330, 1292380, 1421618, 1938570, 2132427, 2244660, 2843236, 3554045, 3877140, 4264854, 7108090, 8529708, 10662135, 14216180, 21324270, 42648540]

約数ペア:

[(1, 42648540), (2, 21324270), (3, 14216180), (4, 10662135), (5, 8529708), (6, 7108090), (10, 4264854), (11, 3877140), (12, 3554045), (15, 2843236), (19, 2244660), (20, 2132427), (22, 1938570), (30, 1421618), (33, 1292380), (38, 1122330), (44, 969285), (55, 775428), (57, 748220), (60, 710809), (66, 646190), (76, 561165), (95, 448932), (110, 387714), (114, 374110), (132, 323095), (165, 258476), (179, 238260), (190, 224466), (209, 204060), (220, 193857), (228, 187055), (285, 149644), (330, 129238), (358, 119130), (361, 118140), (380, 112233), (418, 102030), (537, 79420), (570, 74822), (627, 68020), (660, 64619), (716, 59565), (722, 59070), (836, 51015), (895, 47652), (1045, 40812), (1074, 39710), (1083, 39380), (1140, 37411), (1254, 34010), (1444, 29535), (1790, 23826), (1805, 23628), (1969, 21660), (2090, 20406), (2148, 19855), (2166, 19690), (2508, 17005), (2685, 15884), (3135, 13604), (3401, 12540), (3580, 11913), (3610, 11814), (3938, 10830), (3971, 10740), (4180, 10203), (4332, 9845), (5370, 7942), (5415, 7876), (5907, 7220), (6270, 6802)]