77901760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7853}}^1$

素因数の和:7901

約数の個数: 56

約数和(自身を含む): 191511936

約数和(自身を除く): 113610176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 7853, 9920, 15706, 31412, 39265, 62824, 78530, 125648, 157060, 243443, 251296, 314120, 486886, 502592, 628240, 973772, 1217215, 1256480, 1947544, 2434430, 2512960, 3895088, 4868860, 7790176, 9737720, 15580352, 19475440, 38950880, 77901760]

約数ペア:

[(1, 77901760), (2, 38950880), (4, 19475440), (5, 15580352), (8, 9737720), (10, 7790176), (16, 4868860), (20, 3895088), (31, 2512960), (32, 2434430), (40, 1947544), (62, 1256480), (64, 1217215), (80, 973772), (124, 628240), (155, 502592), (160, 486886), (248, 314120), (310, 251296), (320, 243443), (496, 157060), (620, 125648), (992, 78530), (1240, 62824), (1984, 39265), (2480, 31412), (4960, 15706), (7853, 9920)]