55257960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20021}}^1$

素因数の和:20058

約数の個数: 64

約数和(自身を含む): 172990080

約数和(自身を除く): 117732120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 20021, 40042, 60063, 80084, 100105, 120126, 160168, 200210, 240252, 300315, 400420, 460483, 480504, 600630, 800840, 920966, 1201260, 1381449, 1841932, 2302415, 2402520, 2762898, 3683864, 4604830, 5525796, 6907245, 9209660, 11051592, 13814490, 18419320, 27628980, 55257960]

約数ペア:

[(1, 55257960), (2, 27628980), (3, 18419320), (4, 13814490), (5, 11051592), (6, 9209660), (8, 6907245), (10, 5525796), (12, 4604830), (15, 3683864), (20, 2762898), (23, 2402520), (24, 2302415), (30, 1841932), (40, 1381449), (46, 1201260), (60, 920966), (69, 800840), (92, 600630), (115, 480504), (120, 460483), (138, 400420), (184, 300315), (230, 240252), (276, 200210), (345, 160168), (460, 120126), (552, 100105), (690, 80084), (920, 60063), (1380, 40042), (2760, 20021)]