65565780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156109}}^1$

素因数の和:156128

約数の個数: 48

約数和(自身を含む): 209811840

約数和(自身を除く): 144246060

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, 156109, 312218, 468327, 624436, 780545, 936654, 1092763, 1561090, 1873308, 2185526, 2341635, 3122180, 3278289, 4371052, 4683270, 5463815, 6556578, 9366540, 10927630, 13113156, 16391445, 21855260, 32782890, 65565780]

約数ペア:

[(1, 65565780), (2, 32782890), (3, 21855260), (4, 16391445), (5, 13113156), (6, 10927630), (7, 9366540), (10, 6556578), (12, 5463815), (14, 4683270), (15, 4371052), (20, 3278289), (21, 3122180), (28, 2341635), (30, 2185526), (35, 1873308), (42, 1561090), (60, 1092763), (70, 936654), (84, 780545), (105, 624436), (140, 468327), (210, 312218), (420, 156109)]