155133880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4463}}^1$

素因数の和:4564

約数の個数: 64

約数和(自身を含む): 385689600

約数和(自身を除く): 230555720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 4345, 4463, 6952, 8690, 8926, 17380, 17852, 22315, 34760, 35704, 44630, 49093, 89260, 98186, 178520, 196372, 245465, 352577, 392744, 490930, 705154, 981860, 1410308, 1762885, 1963720, 2820616, 3525770, 3878347, 7051540, 7756694, 14103080, 15513388, 19391735, 31026776, 38783470, 77566940, 155133880]

約数ペア:

[(1, 155133880), (2, 77566940), (4, 38783470), (5, 31026776), (8, 19391735), (10, 15513388), (11, 14103080), (20, 7756694), (22, 7051540), (40, 3878347), (44, 3525770), (55, 2820616), (79, 1963720), (88, 1762885), (110, 1410308), (158, 981860), (220, 705154), (316, 490930), (395, 392744), (440, 352577), (632, 245465), (790, 196372), (869, 178520), (1580, 98186), (1738, 89260), (3160, 49093), (3476, 44630), (4345, 35704), (4463, 34760), (6952, 22315), (8690, 17852), (8926, 17380)]