85641780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{203909}}^1$

素因数の和:203928

約数の個数: 48

約数和(自身を含む): 274055040

約数和(自身を除く): 188413260

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, 203909, 407818, 611727, 815636, 1019545, 1223454, 1427363, 2039090, 2446908, 2854726, 3058635, 4078180, 4282089, 5709452, 6117270, 7136815, 8564178, 12234540, 14273630, 17128356, 21410445, 28547260, 42820890, 85641780]

約数ペア:

[(1, 85641780), (2, 42820890), (3, 28547260), (4, 21410445), (5, 17128356), (6, 14273630), (7, 12234540), (10, 8564178), (12, 7136815), (14, 6117270), (15, 5709452), (20, 4282089), (21, 4078180), (28, 3058635), (30, 2854726), (35, 2446908), (42, 2039090), (60, 1427363), (70, 1223454), (84, 1019545), (105, 815636), (140, 611727), (210, 407818), (420, 203909)]