77708820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185021}}^1$

素因数の和:185040

約数の個数: 48

約数和(自身を含む): 248669568

約数和(自身を除く): 170960748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 185021, 370042, 555063, 740084, 925105, 1110126, 1295147, 1850210, 2220252, 2590294, 2775315, 3700420, 3885441, 5180588, 5550630, 6475735, 7770882, 11101260, 12951470, 15541764, 19427205, 25902940, 38854410, 77708820]

約数ペア:

[(1, 77708820), (2, 38854410), (3, 25902940), (4, 19427205), (5, 15541764), (6, 12951470), (7, 11101260), (10, 7770882), (12, 6475735), (14, 5550630), (15, 5180588), (20, 3885441), (21, 3700420), (28, 2775315), (30, 2590294), (35, 2220252), (42, 1850210), (60, 1295147), (70, 1110126), (84, 925105), (105, 740084), (140, 555063), (210, 370042), (420, 185021)]