81430128

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43499}}^1$

素因数の和:43526

約数の個数: 60

約数和(自身を含む): 245427000

約数和(自身を除く): 163996872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 43499, 86998, 130497, 173996, 260994, 347992, 391491, 521988, 565487, 695984, 782982, 1043976, 1130974, 1565964, 1696461, 2087952, 2261948, 3131928, 3392922, 4523896, 5089383, 6263856, 6785844, 9047792, 10178766, 13571688, 20357532, 27143376, 40715064, 81430128]

約数ペア:

[(1, 81430128), (2, 40715064), (3, 27143376), (4, 20357532), (6, 13571688), (8, 10178766), (9, 9047792), (12, 6785844), (13, 6263856), (16, 5089383), (18, 4523896), (24, 3392922), (26, 3131928), (36, 2261948), (39, 2087952), (48, 1696461), (52, 1565964), (72, 1130974), (78, 1043976), (104, 782982), (117, 695984), (144, 565487), (156, 521988), (208, 391491), (234, 347992), (312, 260994), (468, 173996), (624, 130497), (936, 86998), (1872, 43499)]