64751680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:372

約数の個数: 112

約数和(自身を含む): 178344576

約数和(自身を除く): 113592896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 137, 140, 160, 211, 224, 274, 280, 320, 422, 448, 548, 560, 685, 844, 959, 1055, 1096, 1120, 1370, 1477, 1688, 1918, 2110, 2192, 2240, 2740, 2954, 3376, 3836, 4220, 4384, 4795, 5480, 5908, 6752, 7385, 7672, 8440, 8768, 9590, 10960, 11816, 13504, 14770, 15344, 16880, 19180, 21920, 23632, 28907, 29540, 30688, 33760, 38360, 43840, 47264, 57814, 59080, 61376, 67520, 76720, 94528, 115628, 118160, 144535, 153440, 202349, 231256, 236320, 289070, 306880, 404698, 462512, 472640, 578140, 809396, 925024, 1011745, 1156280, 1618792, 1850048, 2023490, 2312560, 3237584, 4046980, 4625120, 6475168, 8093960, 9250240, 12950336, 16187920, 32375840, 64751680]

約数ペア:

[(1, 64751680), (2, 32375840), (4, 16187920), (5, 12950336), (7, 9250240), (8, 8093960), (10, 6475168), (14, 4625120), (16, 4046980), (20, 3237584), (28, 2312560), (32, 2023490), (35, 1850048), (40, 1618792), (56, 1156280), (64, 1011745), (70, 925024), (80, 809396), (112, 578140), (137, 472640), (140, 462512), (160, 404698), (211, 306880), (224, 289070), (274, 236320), (280, 231256), (320, 202349), (422, 153440), (448, 144535), (548, 118160), (560, 115628), (685, 94528), (844, 76720), (959, 67520), (1055, 61376), (1096, 59080), (1120, 57814), (1370, 47264), (1477, 43840), (1688, 38360), (1918, 33760), (2110, 30688), (2192, 29540), (2240, 28907), (2740, 23632), (2954, 21920), (3376, 19180), (3836, 16880), (4220, 15344), (4384, 14770), (4795, 13504), (5480, 11816), (5908, 10960), (6752, 9590), (7385, 8768), (7672, 8440)]