78211960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 185172480

約数和(自身を除く): 106960520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 151, 184, 230, 302, 460, 563, 604, 755, 920, 1126, 1208, 1510, 2252, 2815, 3020, 3473, 4504, 5630, 6040, 6946, 11260, 12949, 13892, 17365, 22520, 25898, 27784, 34730, 51796, 64745, 69460, 85013, 103592, 129490, 138920, 170026, 258980, 340052, 425065, 517960, 680104, 850130, 1700260, 1955299, 3400520, 3910598, 7821196, 9776495, 15642392, 19552990, 39105980, 78211960]

約数ペア:

[(1, 78211960), (2, 39105980), (4, 19552990), (5, 15642392), (8, 9776495), (10, 7821196), (20, 3910598), (23, 3400520), (40, 1955299), (46, 1700260), (92, 850130), (115, 680104), (151, 517960), (184, 425065), (230, 340052), (302, 258980), (460, 170026), (563, 138920), (604, 129490), (755, 103592), (920, 85013), (1126, 69460), (1208, 64745), (1510, 51796), (2252, 34730), (2815, 27784), (3020, 25898), (3473, 22520), (4504, 17365), (5630, 13892), (6040, 12949), (6946, 11260)]