123478128

素因数分解:

$2^4\times 3^3\times {\mathrm{53}}^1\times {\mathrm{5393}}^1$

素因数の和:5463

約数の個数: 80

約数和(自身を含む): 361182240

約数和(自身を除く): 237704112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 53, 54, 72, 106, 108, 144, 159, 212, 216, 318, 424, 432, 477, 636, 848, 954, 1272, 1431, 1908, 2544, 2862, 3816, 5393, 5724, 7632, 10786, 11448, 16179, 21572, 22896, 32358, 43144, 48537, 64716, 86288, 97074, 129432, 145611, 194148, 258864, 285829, 291222, 388296, 571658, 582444, 776592, 857487, 1143316, 1164888, 1714974, 2286632, 2329776, 2572461, 3429948, 4573264, 5144922, 6859896, 7717383, 10289844, 13719792, 15434766, 20579688, 30869532, 41159376, 61739064, 123478128]

約数ペア:

[(1, 123478128), (2, 61739064), (3, 41159376), (4, 30869532), (6, 20579688), (8, 15434766), (9, 13719792), (12, 10289844), (16, 7717383), (18, 6859896), (24, 5144922), (27, 4573264), (36, 3429948), (48, 2572461), (53, 2329776), (54, 2286632), (72, 1714974), (106, 1164888), (108, 1143316), (144, 857487), (159, 776592), (212, 582444), (216, 571658), (318, 388296), (424, 291222), (432, 285829), (477, 258864), (636, 194148), (848, 145611), (954, 129432), (1272, 97074), (1431, 86288), (1908, 64716), (2544, 48537), (2862, 43144), (3816, 32358), (5393, 22896), (5724, 21572), (7632, 16179), (10786, 11448)]