724184440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 1959552000

約数和(自身を除く): 1235367560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 139, 140, 161, 184, 230, 278, 280, 322, 460, 556, 644, 695, 805, 809, 920, 973, 1112, 1288, 1390, 1610, 1618, 1946, 2780, 3197, 3220, 3236, 3892, 4045, 4865, 5560, 5663, 6394, 6440, 6472, 7784, 8090, 9730, 11326, 12788, 15985, 16180, 18607, 19460, 22379, 22652, 25576, 28315, 31970, 32360, 37214, 38920, 44758, 45304, 56630, 63940, 74428, 89516, 93035, 111895, 112451, 113260, 127880, 130249, 148856, 179032, 186070, 223790, 224902, 226520, 260498, 372140, 447580, 449804, 520996, 562255, 651245, 744280, 787157, 895160, 899608, 1041992, 1124510, 1302490, 1574314, 2249020, 2586373, 2604980, 3148628, 3935785, 4498040, 5172746, 5209960, 6297256, 7871570, 10345492, 12931865, 15743140, 18104611, 20690984, 25863730, 31486280, 36209222, 51727460, 72418444, 90523055, 103454920, 144836888, 181046110, 362092220, 724184440]

約数ペア:

[(1, 724184440), (2, 362092220), (4, 181046110), (5, 144836888), (7, 103454920), (8, 90523055), (10, 72418444), (14, 51727460), (20, 36209222), (23, 31486280), (28, 25863730), (35, 20690984), (40, 18104611), (46, 15743140), (56, 12931865), (70, 10345492), (92, 7871570), (115, 6297256), (139, 5209960), (140, 5172746), (161, 4498040), (184, 3935785), (230, 3148628), (278, 2604980), (280, 2586373), (322, 2249020), (460, 1574314), (556, 1302490), (644, 1124510), (695, 1041992), (805, 899608), (809, 895160), (920, 787157), (973, 744280), (1112, 651245), (1288, 562255), (1390, 520996), (1610, 449804), (1618, 447580), (1946, 372140), (2780, 260498), (3197, 226520), (3220, 224902), (3236, 223790), (3892, 186070), (4045, 179032), (4865, 148856), (5560, 130249), (5663, 127880), (6394, 113260), (6440, 112451), (6472, 111895), (7784, 93035), (8090, 89516), (9730, 74428), (11326, 63940), (12788, 56630), (15985, 45304), (16180, 44758), (18607, 38920), (19460, 37214), (22379, 32360), (22652, 31970), (25576, 28315)]