639730728

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 192

約数和(自身を含む): 2146435200

約数和(自身を除く): 1506704472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 52, 56, 63, 72, 78, 84, 91, 104, 117, 126, 156, 168, 182, 234, 251, 252, 273, 312, 364, 389, 468, 502, 504, 546, 728, 753, 778, 819, 936, 1004, 1092, 1167, 1506, 1556, 1638, 1757, 2008, 2184, 2259, 2334, 2723, 3012, 3112, 3263, 3276, 3501, 3514, 4518, 4668, 5057, 5271, 5446, 6024, 6526, 6552, 7002, 7028, 8169, 9036, 9336, 9789, 10114, 10542, 10892, 13052, 14004, 14056, 15171, 15813, 16338, 18072, 19578, 20228, 21084, 21784, 22841, 24507, 26104, 28008, 29367, 30342, 31626, 32676, 35399, 39156, 40456, 42168, 45513, 45682, 49014, 58734, 60684, 63252, 65352, 68523, 70798, 78312, 91026, 91364, 97639, 98028, 106197, 117468, 121368, 126504, 137046, 141596, 182052, 182728, 195278, 196056, 205569, 212394, 234936, 274092, 283192, 292917, 318591, 364104, 390556, 411138, 424788, 548184, 585834, 637182, 683473, 781112, 822276, 849576, 878751, 1171668, 1269307, 1274364, 1366946, 1644552, 1757502, 2050419, 2343336, 2538614, 2548728, 2733892, 3515004, 3807921, 4100838, 5077228, 5467784, 6151257, 7030008, 7615842, 8201676, 8885149, 10154456, 11423763, 12302514, 15231684, 16403352, 17770298, 22847526, 24605028, 26655447, 30463368, 35540596, 45695052, 49210056, 53310894, 71081192, 79966341, 91390104, 106621788, 159932682, 213243576, 319865364, 639730728]

約数ペア:

[(1, 639730728), (2, 319865364), (3, 213243576), (4, 159932682), (6, 106621788), (7, 91390104), (8, 79966341), (9, 71081192), (12, 53310894), (13, 49210056), (14, 45695052), (18, 35540596), (21, 30463368), (24, 26655447), (26, 24605028), (28, 22847526), (36, 17770298), (39, 16403352), (42, 15231684), (52, 12302514), (56, 11423763), (63, 10154456), (72, 8885149), (78, 8201676), (84, 7615842), (91, 7030008), (104, 6151257), (117, 5467784), (126, 5077228), (156, 4100838), (168, 3807921), (182, 3515004), (234, 2733892), (251, 2548728), (252, 2538614), (273, 2343336), (312, 2050419), (364, 1757502), (389, 1644552), (468, 1366946), (502, 1274364), (504, 1269307), (546, 1171668), (728, 878751), (753, 849576), (778, 822276), (819, 781112), (936, 683473), (1004, 637182), (1092, 585834), (1167, 548184), (1506, 424788), (1556, 411138), (1638, 390556), (1757, 364104), (2008, 318591), (2184, 292917), (2259, 283192), (2334, 274092), (2723, 234936), (3012, 212394), (3112, 205569), (3263, 196056), (3276, 195278), (3501, 182728), (3514, 182052), (4518, 141596), (4668, 137046), (5057, 126504), (5271, 121368), (5446, 117468), (6024, 106197), (6526, 98028), (6552, 97639), (7002, 91364), (7028, 91026), (8169, 78312), (9036, 70798), (9336, 68523), (9789, 65352), (10114, 63252), (10542, 60684), (10892, 58734), (13052, 49014), (14004, 45682), (14056, 45513), (15171, 42168), (15813, 40456), (16338, 39156), (18072, 35399), (19578, 32676), (20228, 31626), (21084, 30342), (21784, 29367), (22841, 28008), (24507, 26104)]