39522780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19961}}^1$

素因数の和:19987

約数の個数: 72

約数和(自身を含む): 130791024

約数和(自身を除く): 91268244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 19961, 39922, 59883, 79844, 99805, 119766, 179649, 199610, 219571, 239532, 299415, 359298, 399220, 439142, 598830, 658713, 718596, 878284, 898245, 1097855, 1197660, 1317426, 1796490, 1976139, 2195710, 2634852, 3293565, 3592980, 3952278, 4391420, 6587130, 7904556, 9880695, 13174260, 19761390, 39522780]

約数ペア:

[(1, 39522780), (2, 19761390), (3, 13174260), (4, 9880695), (5, 7904556), (6, 6587130), (9, 4391420), (10, 3952278), (11, 3592980), (12, 3293565), (15, 2634852), (18, 2195710), (20, 1976139), (22, 1796490), (30, 1317426), (33, 1197660), (36, 1097855), (44, 898245), (45, 878284), (55, 718596), (60, 658713), (66, 598830), (90, 439142), (99, 399220), (110, 359298), (132, 299415), (165, 239532), (180, 219571), (198, 199610), (220, 179649), (330, 119766), (396, 99805), (495, 79844), (660, 59883), (990, 39922), (1980, 19961)]