18289600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 168

約数和(自身を含む): 54425088

約数和(自身を除く): 36135488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 64, 70, 71, 80, 92, 100, 112, 115, 140, 142, 160, 161, 175, 184, 200, 224, 230, 280, 284, 320, 322, 350, 355, 368, 400, 448, 460, 497, 560, 568, 575, 644, 700, 710, 736, 800, 805, 920, 994, 1120, 1136, 1150, 1288, 1400, 1420, 1472, 1600, 1610, 1633, 1775, 1840, 1988, 2240, 2272, 2300, 2485, 2576, 2800, 2840, 3220, 3266, 3550, 3680, 3976, 4025, 4544, 4600, 4970, 5152, 5600, 5680, 6440, 6532, 7100, 7360, 7952, 8050, 8165, 9200, 9940, 10304, 11200, 11360, 11431, 12425, 12880, 13064, 14200, 15904, 16100, 16330, 18400, 19880, 22720, 22862, 24850, 25760, 26128, 28400, 31808, 32200, 32660, 36800, 39760, 40825, 45724, 49700, 51520, 52256, 56800, 57155, 64400, 65320, 79520, 81650, 91448, 99400, 104512, 113600, 114310, 128800, 130640, 159040, 163300, 182896, 198800, 228620, 257600, 261280, 285775, 326600, 365792, 397600, 457240, 522560, 571550, 653200, 731584, 795200, 914480, 1143100, 1306400, 1828960, 2286200, 2612800, 3657920, 4572400, 9144800, 18289600]

約数ペア:

[(1, 18289600), (2, 9144800), (4, 4572400), (5, 3657920), (7, 2612800), (8, 2286200), (10, 1828960), (14, 1306400), (16, 1143100), (20, 914480), (23, 795200), (25, 731584), (28, 653200), (32, 571550), (35, 522560), (40, 457240), (46, 397600), (50, 365792), (56, 326600), (64, 285775), (70, 261280), (71, 257600), (80, 228620), (92, 198800), (100, 182896), (112, 163300), (115, 159040), (140, 130640), (142, 128800), (160, 114310), (161, 113600), (175, 104512), (184, 99400), (200, 91448), (224, 81650), (230, 79520), (280, 65320), (284, 64400), (320, 57155), (322, 56800), (350, 52256), (355, 51520), (368, 49700), (400, 45724), (448, 40825), (460, 39760), (497, 36800), (560, 32660), (568, 32200), (575, 31808), (644, 28400), (700, 26128), (710, 25760), (736, 24850), (800, 22862), (805, 22720), (920, 19880), (994, 18400), (1120, 16330), (1136, 16100), (1150, 15904), (1288, 14200), (1400, 13064), (1420, 12880), (1472, 12425), (1600, 11431), (1610, 11360), (1633, 11200), (1775, 10304), (1840, 9940), (1988, 9200), (2240, 8165), (2272, 8050), (2300, 7952), (2485, 7360), (2576, 7100), (2800, 6532), (2840, 6440), (3220, 5680), (3266, 5600), (3550, 5152), (3680, 4970), (3976, 4600), (4025, 4544)]