161834820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{385321}}^1$

素因数の和:385340

約数の個数: 48

約数和(自身を含む): 517872768

約数和(自身を除く): 356037948

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, 385321, 770642, 1155963, 1541284, 1926605, 2311926, 2697247, 3853210, 4623852, 5394494, 5779815, 7706420, 8091741, 10788988, 11559630, 13486235, 16183482, 23119260, 26972470, 32366964, 40458705, 53944940, 80917410, 161834820]

約数ペア:

[(1, 161834820), (2, 80917410), (3, 53944940), (4, 40458705), (5, 32366964), (6, 26972470), (7, 23119260), (10, 16183482), (12, 13486235), (14, 11559630), (15, 10788988), (20, 8091741), (21, 7706420), (28, 5779815), (30, 5394494), (35, 4623852), (42, 3853210), (60, 2697247), (70, 2311926), (84, 1926605), (105, 1541284), (140, 1155963), (210, 770642), (420, 385321)]