51051780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21817}}^1$

素因数の和:21845

約数の個数: 72

約数和(自身を含む): 166776792

約数和(自身を除く): 115725012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 21817, 43634, 65451, 87268, 109085, 130902, 196353, 218170, 261804, 283621, 327255, 392706, 436340, 567242, 654510, 785412, 850863, 981765, 1134484, 1309020, 1418105, 1701726, 1963530, 2552589, 2836210, 3403452, 3927060, 4254315, 5105178, 5672420, 8508630, 10210356, 12762945, 17017260, 25525890, 51051780]

約数ペア:

[(1, 51051780), (2, 25525890), (3, 17017260), (4, 12762945), (5, 10210356), (6, 8508630), (9, 5672420), (10, 5105178), (12, 4254315), (13, 3927060), (15, 3403452), (18, 2836210), (20, 2552589), (26, 1963530), (30, 1701726), (36, 1418105), (39, 1309020), (45, 1134484), (52, 981765), (60, 850863), (65, 785412), (78, 654510), (90, 567242), (117, 436340), (130, 392706), (156, 327255), (180, 283621), (195, 261804), (234, 218170), (260, 196353), (390, 130902), (468, 109085), (585, 87268), (780, 65451), (1170, 43634), (2340, 21817)]