77105920

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1101

約数の個数: 72

約数和(自身を含む): 188007120

約数和(自身を除く): 110901200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 472, 590, 640, 944, 1021, 1180, 1280, 1888, 2042, 2360, 3776, 4084, 4720, 5105, 7552, 8168, 9440, 10210, 15104, 16336, 18880, 20420, 32672, 37760, 40840, 60239, 65344, 75520, 81680, 120478, 130688, 163360, 240956, 261376, 301195, 326720, 481912, 602390, 653440, 963824, 1204780, 1306880, 1927648, 2409560, 3855296, 4819120, 7710592, 9638240, 15421184, 19276480, 38552960, 77105920]

約数ペア:

[(1, 77105920), (2, 38552960), (4, 19276480), (5, 15421184), (8, 9638240), (10, 7710592), (16, 4819120), (20, 3855296), (32, 2409560), (40, 1927648), (59, 1306880), (64, 1204780), (80, 963824), (118, 653440), (128, 602390), (160, 481912), (236, 326720), (256, 301195), (295, 261376), (320, 240956), (472, 163360), (590, 130688), (640, 120478), (944, 81680), (1021, 75520), (1180, 65344), (1280, 60239), (1888, 40840), (2042, 37760), (2360, 32672), (3776, 20420), (4084, 18880), (4720, 16336), (5105, 15104), (7552, 10210), (8168, 9440)]