640856736

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{171169}}^1$

素因数の和:171198

約数の個数: 72

約数和(自身を含む): 1962635220

約数和(自身を除く): 1321778484

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 171169, 342338, 513507, 684676, 1027014, 1369352, 1540521, 2054028, 2225197, 2738704, 3081042, 4108056, 4450394, 5477408, 6162084, 6675591, 8216112, 8900788, 12324168, 13351182, 16432224, 17801576, 20026773, 24648336, 26702364, 35603152, 40053546, 49296672, 53404728, 71206304, 80107092, 106809456, 160214184, 213618912, 320428368, 640856736]

約数ペア:

[(1, 640856736), (2, 320428368), (3, 213618912), (4, 160214184), (6, 106809456), (8, 80107092), (9, 71206304), (12, 53404728), (13, 49296672), (16, 40053546), (18, 35603152), (24, 26702364), (26, 24648336), (32, 20026773), (36, 17801576), (39, 16432224), (48, 13351182), (52, 12324168), (72, 8900788), (78, 8216112), (96, 6675591), (104, 6162084), (117, 5477408), (144, 4450394), (156, 4108056), (208, 3081042), (234, 2738704), (288, 2225197), (312, 2054028), (416, 1540521), (468, 1369352), (624, 1027014), (936, 684676), (1248, 513507), (1872, 342338), (3744, 171169)]