77178760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 184161600

約数和(自身を除く): 106982840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 587, 692, 760, 865, 1174, 1384, 1730, 2348, 2935, 3287, 3460, 4696, 5870, 6574, 6920, 11153, 11740, 13148, 16435, 22306, 23480, 26296, 32870, 44612, 55765, 65740, 89224, 101551, 111530, 131480, 203102, 223060, 406204, 446120, 507755, 812408, 1015510, 1929469, 2031020, 3858938, 4062040, 7717876, 9647345, 15435752, 19294690, 38589380, 77178760]

約数ペア:

[(1, 77178760), (2, 38589380), (4, 19294690), (5, 15435752), (8, 9647345), (10, 7717876), (19, 4062040), (20, 3858938), (38, 2031020), (40, 1929469), (76, 1015510), (95, 812408), (152, 507755), (173, 446120), (190, 406204), (346, 223060), (380, 203102), (587, 131480), (692, 111530), (760, 101551), (865, 89224), (1174, 65740), (1384, 55765), (1730, 44612), (2348, 32870), (2935, 26296), (3287, 23480), (3460, 22306), (4696, 16435), (5870, 13148), (6574, 11740), (6920, 11153)]