165040840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{547}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 392587200

約数和(自身を除く): 227546360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 397, 547, 760, 794, 1094, 1588, 1985, 2188, 2735, 3176, 3970, 4376, 5470, 7543, 7940, 10393, 10940, 15086, 15880, 20786, 21880, 30172, 37715, 41572, 51965, 60344, 75430, 83144, 103930, 150860, 207860, 217159, 301720, 415720, 434318, 868636, 1085795, 1737272, 2171590, 4126021, 4343180, 8252042, 8686360, 16504084, 20630105, 33008168, 41260210, 82520420, 165040840]

約数ペア:

[(1, 165040840), (2, 82520420), (4, 41260210), (5, 33008168), (8, 20630105), (10, 16504084), (19, 8686360), (20, 8252042), (38, 4343180), (40, 4126021), (76, 2171590), (95, 1737272), (152, 1085795), (190, 868636), (380, 434318), (397, 415720), (547, 301720), (760, 217159), (794, 207860), (1094, 150860), (1588, 103930), (1985, 83144), (2188, 75430), (2735, 60344), (3176, 51965), (3970, 41572), (4376, 37715), (5470, 30172), (7543, 21880), (7940, 20786), (10393, 15880), (10940, 15086)]