91311780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{217409}}^1$

素因数の和:217428

約数の個数: 48

約数和(自身を含む): 292199040

約数和(自身を除く): 200887260

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, 217409, 434818, 652227, 869636, 1087045, 1304454, 1521863, 2174090, 2608908, 3043726, 3261135, 4348180, 4565589, 6087452, 6522270, 7609315, 9131178, 13044540, 15218630, 18262356, 22827945, 30437260, 45655890, 91311780]

約数ペア:

[(1, 91311780), (2, 45655890), (3, 30437260), (4, 22827945), (5, 18262356), (6, 15218630), (7, 13044540), (10, 9131178), (12, 7609315), (14, 6522270), (15, 6087452), (20, 4565589), (21, 4348180), (28, 3261135), (30, 3043726), (35, 2608908), (42, 2174090), (60, 1521863), (70, 1304454), (84, 1087045), (105, 869636), (140, 652227), (210, 434818), (420, 217409)]