638386272

素因数分解:

$2^5\times 3^5\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1627

約数の個数: 144

約数和(自身を含む): 1919408400

約数和(自身を除く): 1281022128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 72, 81, 96, 106, 108, 144, 159, 162, 212, 216, 243, 288, 318, 324, 424, 432, 477, 486, 636, 648, 848, 864, 954, 972, 1272, 1296, 1431, 1549, 1696, 1908, 1944, 2544, 2592, 2862, 3098, 3816, 3888, 4293, 4647, 5088, 5724, 6196, 7632, 7776, 8586, 9294, 11448, 12392, 12879, 13941, 15264, 17172, 18588, 22896, 24784, 25758, 27882, 34344, 37176, 41823, 45792, 49568, 51516, 55764, 68688, 74352, 82097, 83646, 103032, 111528, 125469, 137376, 148704, 164194, 167292, 206064, 223056, 246291, 250938, 328388, 334584, 376407, 412128, 446112, 492582, 501876, 656776, 669168, 738873, 752814, 985164, 1003752, 1313552, 1338336, 1477746, 1505628, 1970328, 2007504, 2216619, 2627104, 2955492, 3011256, 3940656, 4015008, 4433238, 5910984, 6022512, 6649857, 7881312, 8866476, 11821968, 12045024, 13299714, 17732952, 19949571, 23643936, 26599428, 35465904, 39899142, 53198856, 70931808, 79798284, 106397712, 159596568, 212795424, 319193136, 638386272]

約数ペア:

[(1, 638386272), (2, 319193136), (3, 212795424), (4, 159596568), (6, 106397712), (8, 79798284), (9, 70931808), (12, 53198856), (16, 39899142), (18, 35465904), (24, 26599428), (27, 23643936), (32, 19949571), (36, 17732952), (48, 13299714), (53, 12045024), (54, 11821968), (72, 8866476), (81, 7881312), (96, 6649857), (106, 6022512), (108, 5910984), (144, 4433238), (159, 4015008), (162, 3940656), (212, 3011256), (216, 2955492), (243, 2627104), (288, 2216619), (318, 2007504), (324, 1970328), (424, 1505628), (432, 1477746), (477, 1338336), (486, 1313552), (636, 1003752), (648, 985164), (848, 752814), (864, 738873), (954, 669168), (972, 656776), (1272, 501876), (1296, 492582), (1431, 446112), (1549, 412128), (1696, 376407), (1908, 334584), (1944, 328388), (2544, 250938), (2592, 246291), (2862, 223056), (3098, 206064), (3816, 167292), (3888, 164194), (4293, 148704), (4647, 137376), (5088, 125469), (5724, 111528), (6196, 103032), (7632, 83646), (7776, 82097), (8586, 74352), (9294, 68688), (11448, 55764), (12392, 51516), (12879, 49568), (13941, 45792), (15264, 41823), (17172, 37176), (18588, 34344), (22896, 27882), (24784, 25758)]