65927820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156971}}^1$

素因数の和:156990

約数の個数: 48

約数和(自身を含む): 210970368

約数和(自身を除く): 145042548

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, 156971, 313942, 470913, 627884, 784855, 941826, 1098797, 1569710, 1883652, 2197594, 2354565, 3139420, 3296391, 4395188, 4709130, 5493985, 6592782, 9418260, 10987970, 13185564, 16481955, 21975940, 32963910, 65927820]

約数ペア:

[(1, 65927820), (2, 32963910), (3, 21975940), (4, 16481955), (5, 13185564), (6, 10987970), (7, 9418260), (10, 6592782), (12, 5493985), (14, 4709130), (15, 4395188), (20, 3296391), (21, 3139420), (28, 2354565), (30, 2197594), (35, 1883652), (42, 1569710), (60, 1098797), (70, 941826), (84, 784855), (105, 627884), (140, 470913), (210, 313942), (420, 156971)]