81901470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5821}}^1$

素因数の和:5905

約数の個数: 64

約数和(自身を含む): 228036096

約数和(自身を除く): 146134626

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 2010, 2345, 2814, 4690, 5821, 7035, 11642, 14070, 17463, 29105, 34926, 40747, 58210, 81494, 87315, 122241, 174630, 203735, 244482, 390007, 407470, 611205, 780014, 1170021, 1222410, 1950035, 2340042, 2730049, 3900070, 5460098, 5850105, 8190147, 11700210, 13650245, 16380294, 27300490, 40950735, 81901470]

約数ペア:

[(1, 81901470), (2, 40950735), (3, 27300490), (5, 16380294), (6, 13650245), (7, 11700210), (10, 8190147), (14, 5850105), (15, 5460098), (21, 3900070), (30, 2730049), (35, 2340042), (42, 1950035), (67, 1222410), (70, 1170021), (105, 780014), (134, 611205), (201, 407470), (210, 390007), (335, 244482), (402, 203735), (469, 174630), (670, 122241), (938, 87315), (1005, 81494), (1407, 58210), (2010, 40747), (2345, 34926), (2814, 29105), (4690, 17463), (5821, 14070), (7035, 11642)]