71780904

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8552

約数の個数: 80

約数和(自身を含む): 216544020

約数和(自身を除く): 144763116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 8521, 17042, 25563, 34084, 51126, 68168, 76689, 102252, 110773, 153378, 204504, 221546, 230067, 306756, 332319, 443092, 460134, 613512, 664638, 690201, 886184, 920268, 996957, 1329276, 1380402, 1840536, 1993914, 2658552, 2760804, 2990871, 3987828, 5521608, 5981742, 7975656, 8972613, 11963484, 17945226, 23926968, 35890452, 71780904]

約数ペア:

[(1, 71780904), (2, 35890452), (3, 23926968), (4, 17945226), (6, 11963484), (8, 8972613), (9, 7975656), (12, 5981742), (13, 5521608), (18, 3987828), (24, 2990871), (26, 2760804), (27, 2658552), (36, 1993914), (39, 1840536), (52, 1380402), (54, 1329276), (72, 996957), (78, 920268), (81, 886184), (104, 690201), (108, 664638), (117, 613512), (156, 460134), (162, 443092), (216, 332319), (234, 306756), (312, 230067), (324, 221546), (351, 204504), (468, 153378), (648, 110773), (702, 102252), (936, 76689), (1053, 68168), (1404, 51126), (2106, 34084), (2808, 25563), (4212, 17042), (8424, 8521)]