61819020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5821}}^1$

素因数の和:5895

約数の個数: 72

約数和(自身を含む): 190728720

約数和(自身を除く): 128909700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 5821, 10620, 11642, 17463, 23284, 29105, 34926, 52389, 58210, 69852, 87315, 104778, 116420, 174630, 209556, 261945, 343439, 349260, 523890, 686878, 1030317, 1047780, 1373756, 1717195, 2060634, 3090951, 3434390, 4121268, 5151585, 6181902, 6868780, 10303170, 12363804, 15454755, 20606340, 30909510, 61819020]

約数ペア:

[(1, 61819020), (2, 30909510), (3, 20606340), (4, 15454755), (5, 12363804), (6, 10303170), (9, 6868780), (10, 6181902), (12, 5151585), (15, 4121268), (18, 3434390), (20, 3090951), (30, 2060634), (36, 1717195), (45, 1373756), (59, 1047780), (60, 1030317), (90, 686878), (118, 523890), (177, 349260), (180, 343439), (236, 261945), (295, 209556), (354, 174630), (531, 116420), (590, 104778), (708, 87315), (885, 69852), (1062, 58210), (1180, 52389), (1770, 34926), (2124, 29105), (2655, 23284), (3540, 17463), (5310, 11642), (5821, 10620)]