638700552

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1177

約数の個数: 160

約数和(自身を含む): 2061259200

約数和(自身を除く): 1422558648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 139, 162, 168, 189, 216, 252, 278, 324, 378, 417, 504, 556, 567, 648, 756, 834, 973, 1013, 1112, 1134, 1251, 1512, 1668, 1946, 2026, 2268, 2502, 2919, 3039, 3336, 3753, 3892, 4052, 4536, 5004, 5838, 6078, 7091, 7506, 7784, 8104, 8757, 9117, 10008, 11259, 11676, 12156, 14182, 15012, 17514, 18234, 21273, 22518, 23352, 24312, 26271, 27351, 28364, 30024, 35028, 36468, 42546, 45036, 52542, 54702, 56728, 63819, 70056, 72936, 78813, 82053, 85092, 90072, 105084, 109404, 127638, 140807, 157626, 164106, 170184, 191457, 210168, 218808, 255276, 281614, 315252, 328212, 382914, 422421, 510552, 563228, 574371, 630504, 656424, 765828, 844842, 985649, 1126456, 1148742, 1267263, 1531656, 1689684, 1971298, 2297484, 2534526, 2956947, 3379368, 3801789, 3942596, 4594968, 5069052, 5913894, 7603578, 7885192, 8870841, 10138104, 11405367, 11827788, 15207156, 17741682, 22810734, 23655576, 26612523, 30414312, 35483364, 45621468, 53225046, 70966728, 79837569, 91242936, 106450092, 159675138, 212900184, 319350276, 638700552]

約数ペア:

[(1, 638700552), (2, 319350276), (3, 212900184), (4, 159675138), (6, 106450092), (7, 91242936), (8, 79837569), (9, 70966728), (12, 53225046), (14, 45621468), (18, 35483364), (21, 30414312), (24, 26612523), (27, 23655576), (28, 22810734), (36, 17741682), (42, 15207156), (54, 11827788), (56, 11405367), (63, 10138104), (72, 8870841), (81, 7885192), (84, 7603578), (108, 5913894), (126, 5069052), (139, 4594968), (162, 3942596), (168, 3801789), (189, 3379368), (216, 2956947), (252, 2534526), (278, 2297484), (324, 1971298), (378, 1689684), (417, 1531656), (504, 1267263), (556, 1148742), (567, 1126456), (648, 985649), (756, 844842), (834, 765828), (973, 656424), (1013, 630504), (1112, 574371), (1134, 563228), (1251, 510552), (1512, 422421), (1668, 382914), (1946, 328212), (2026, 315252), (2268, 281614), (2502, 255276), (2919, 218808), (3039, 210168), (3336, 191457), (3753, 170184), (3892, 164106), (4052, 157626), (4536, 140807), (5004, 127638), (5838, 109404), (6078, 105084), (7091, 90072), (7506, 85092), (7784, 82053), (8104, 78813), (8757, 72936), (9117, 70056), (10008, 63819), (11259, 56728), (11676, 54702), (12156, 52542), (14182, 45036), (15012, 42546), (17514, 36468), (18234, 35028), (21273, 30024), (22518, 28364), (23352, 27351), (24312, 26271)]