7315840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 21150720

約数和(自身を除く): 13834880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 71, 80, 92, 112, 115, 128, 140, 142, 160, 161, 184, 224, 230, 280, 284, 320, 322, 355, 368, 448, 460, 497, 560, 568, 640, 644, 710, 736, 805, 896, 920, 994, 1120, 1136, 1288, 1420, 1472, 1610, 1633, 1840, 1988, 2240, 2272, 2485, 2576, 2840, 2944, 3220, 3266, 3680, 3976, 4480, 4544, 4970, 5152, 5680, 6440, 6532, 7360, 7952, 8165, 9088, 9940, 10304, 11360, 11431, 12880, 13064, 14720, 15904, 16330, 19880, 20608, 22720, 22862, 25760, 26128, 31808, 32660, 39760, 45440, 45724, 51520, 52256, 57155, 63616, 65320, 79520, 91448, 103040, 104512, 114310, 130640, 159040, 182896, 209024, 228620, 261280, 318080, 365792, 457240, 522560, 731584, 914480, 1045120, 1463168, 1828960, 3657920, 7315840]

約数ペア:

[(1, 7315840), (2, 3657920), (4, 1828960), (5, 1463168), (7, 1045120), (8, 914480), (10, 731584), (14, 522560), (16, 457240), (20, 365792), (23, 318080), (28, 261280), (32, 228620), (35, 209024), (40, 182896), (46, 159040), (56, 130640), (64, 114310), (70, 104512), (71, 103040), (80, 91448), (92, 79520), (112, 65320), (115, 63616), (128, 57155), (140, 52256), (142, 51520), (160, 45724), (161, 45440), (184, 39760), (224, 32660), (230, 31808), (280, 26128), (284, 25760), (320, 22862), (322, 22720), (355, 20608), (368, 19880), (448, 16330), (460, 15904), (497, 14720), (560, 13064), (568, 12880), (640, 11431), (644, 11360), (710, 10304), (736, 9940), (805, 9088), (896, 8165), (920, 7952), (994, 7360), (1120, 6532), (1136, 6440), (1288, 5680), (1420, 5152), (1472, 4970), (1610, 4544), (1633, 4480), (1840, 3976), (1988, 3680), (2240, 3266), (2272, 3220), (2485, 2944), (2576, 2840)]