65738820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{156521}}^1$

素因数の和:156540

約数の個数: 48

約数和(自身を含む): 210365568

約数和(自身を除く): 144626748

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, 156521, 313042, 469563, 626084, 782605, 939126, 1095647, 1565210, 1878252, 2191294, 2347815, 3130420, 3286941, 4382588, 4695630, 5478235, 6573882, 9391260, 10956470, 13147764, 16434705, 21912940, 32869410, 65738820]

約数ペア:

[(1, 65738820), (2, 32869410), (3, 21912940), (4, 16434705), (5, 13147764), (6, 10956470), (7, 9391260), (10, 6573882), (12, 5478235), (14, 4695630), (15, 4382588), (20, 3286941), (21, 3130420), (28, 2347815), (30, 2191294), (35, 1878252), (42, 1565210), (60, 1095647), (70, 939126), (84, 782605), (105, 626084), (140, 469563), (210, 313042), (420, 156521)]