157712720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 402081408

約数和(自身を除く): 244368688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 277, 440, 554, 647, 880, 1108, 1294, 1385, 2216, 2588, 2770, 3047, 3235, 4432, 5176, 5540, 6094, 6470, 7117, 10352, 11080, 12188, 12940, 14234, 15235, 22160, 24376, 25880, 28468, 30470, 35585, 48752, 51760, 56936, 60940, 71170, 113872, 121880, 142340, 179219, 243760, 284680, 358438, 569360, 716876, 896095, 1433752, 1792190, 1971409, 2867504, 3584380, 3942818, 7168760, 7885636, 9857045, 14337520, 15771272, 19714090, 31542544, 39428180, 78856360, 157712720]

約数ペア:

[(1, 157712720), (2, 78856360), (4, 39428180), (5, 31542544), (8, 19714090), (10, 15771272), (11, 14337520), (16, 9857045), (20, 7885636), (22, 7168760), (40, 3942818), (44, 3584380), (55, 2867504), (80, 1971409), (88, 1792190), (110, 1433752), (176, 896095), (220, 716876), (277, 569360), (440, 358438), (554, 284680), (647, 243760), (880, 179219), (1108, 142340), (1294, 121880), (1385, 113872), (2216, 71170), (2588, 60940), (2770, 56936), (3047, 51760), (3235, 48752), (4432, 35585), (5176, 30470), (5540, 28468), (6094, 25880), (6470, 24376), (7117, 22160), (10352, 15235), (11080, 14234), (12188, 12940)]