128139984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{127123}}^1$

素因数の和:127144

約数の個数: 60

約数和(自身を含む): 409847776

約数和(自身を除く): 281707792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 127123, 254246, 381369, 508492, 762738, 889861, 1016984, 1144107, 1525476, 1779722, 2033968, 2288214, 2669583, 3050952, 3559444, 4576428, 5339166, 6101904, 7118888, 8008749, 9152856, 10678332, 14237776, 16017498, 18305712, 21356664, 32034996, 42713328, 64069992, 128139984]

約数ペア:

[(1, 128139984), (2, 64069992), (3, 42713328), (4, 32034996), (6, 21356664), (7, 18305712), (8, 16017498), (9, 14237776), (12, 10678332), (14, 9152856), (16, 8008749), (18, 7118888), (21, 6101904), (24, 5339166), (28, 4576428), (36, 3559444), (42, 3050952), (48, 2669583), (56, 2288214), (63, 2033968), (72, 1779722), (84, 1525476), (112, 1144107), (126, 1016984), (144, 889861), (168, 762738), (252, 508492), (336, 381369), (504, 254246), (1008, 127123)]