71841280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 160

約数和(自身を含む): 208200960

約数和(自身を除く): 136359680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 211, 224, 256, 266, 280, 304, 320, 380, 422, 448, 512, 532, 560, 608, 640, 665, 760, 844, 896, 1055, 1064, 1120, 1216, 1280, 1330, 1477, 1520, 1688, 1792, 2110, 2128, 2240, 2432, 2560, 2660, 2954, 3040, 3376, 3584, 4009, 4220, 4256, 4480, 4864, 5320, 5908, 6080, 6752, 7385, 8018, 8440, 8512, 8960, 9728, 10640, 11816, 12160, 13504, 14770, 16036, 16880, 17024, 17920, 20045, 21280, 23632, 24320, 27008, 28063, 29540, 32072, 33760, 34048, 40090, 42560, 47264, 48640, 54016, 56126, 59080, 64144, 67520, 68096, 80180, 85120, 94528, 108032, 112252, 118160, 128288, 135040, 140315, 160360, 170240, 189056, 224504, 236320, 256576, 270080, 280630, 320720, 340480, 378112, 449008, 472640, 513152, 540160, 561260, 641440, 756224, 898016, 945280, 1026304, 1122520, 1282880, 1796032, 1890560, 2052608, 2245040, 2565760, 3592064, 3781120, 4490080, 5131520, 7184128, 8980160, 10263040, 14368256, 17960320, 35920640, 71841280]

約数ペア:

[(1, 71841280), (2, 35920640), (4, 17960320), (5, 14368256), (7, 10263040), (8, 8980160), (10, 7184128), (14, 5131520), (16, 4490080), (19, 3781120), (20, 3592064), (28, 2565760), (32, 2245040), (35, 2052608), (38, 1890560), (40, 1796032), (56, 1282880), (64, 1122520), (70, 1026304), (76, 945280), (80, 898016), (95, 756224), (112, 641440), (128, 561260), (133, 540160), (140, 513152), (152, 472640), (160, 449008), (190, 378112), (211, 340480), (224, 320720), (256, 280630), (266, 270080), (280, 256576), (304, 236320), (320, 224504), (380, 189056), (422, 170240), (448, 160360), (512, 140315), (532, 135040), (560, 128288), (608, 118160), (640, 112252), (665, 108032), (760, 94528), (844, 85120), (896, 80180), (1055, 68096), (1064, 67520), (1120, 64144), (1216, 59080), (1280, 56126), (1330, 54016), (1477, 48640), (1520, 47264), (1688, 42560), (1792, 40090), (2110, 34048), (2128, 33760), (2240, 32072), (2432, 29540), (2560, 28063), (2660, 27008), (2954, 24320), (3040, 23632), (3376, 21280), (3584, 20045), (4009, 17920), (4220, 17024), (4256, 16880), (4480, 16036), (4864, 14770), (5320, 13504), (5908, 12160), (6080, 11816), (6752, 10640), (7385, 9728), (8018, 8960), (8440, 8512)]