15709871380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{81373}}^1$

素因数の和:81593

約数の個数: 72

約数和(自身を含む): 38572252488

約数和(自身を除く): 22862381108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 490, 788, 980, 985, 1379, 1970, 2758, 3940, 5516, 6895, 9653, 13790, 19306, 27580, 38612, 48265, 81373, 96530, 162746, 193060, 325492, 406865, 569611, 813730, 1139222, 1627460, 2278444, 2848055, 3987277, 5696110, 7974554, 11392220, 15949108, 16030481, 19936385, 32060962, 39872770, 64121924, 79745540, 80152405, 112213367, 160304810, 224426734, 320609620, 448853468, 561066835, 785493569, 1122133670, 1570987138, 2244267340, 3141974276, 3927467845, 7854935690, 15709871380]

約数ペア:

[(1, 15709871380), (2, 7854935690), (4, 3927467845), (5, 3141974276), (7, 2244267340), (10, 1570987138), (14, 1122133670), (20, 785493569), (28, 561066835), (35, 448853468), (49, 320609620), (70, 224426734), (98, 160304810), (140, 112213367), (196, 80152405), (197, 79745540), (245, 64121924), (394, 39872770), (490, 32060962), (788, 19936385), (980, 16030481), (985, 15949108), (1379, 11392220), (1970, 7974554), (2758, 5696110), (3940, 3987277), (5516, 2848055), (6895, 2278444), (9653, 1627460), (13790, 1139222), (19306, 813730), (27580, 569611), (38612, 406865), (48265, 325492), (81373, 193060), (96530, 162746)]