15880762016

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{128203}}^1$

素因数の和:128306

約数の個数: 72

約数和(自身を含む): 36830445120

約数和(自身を除く): 20949683104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 316, 392, 553, 632, 784, 1106, 1264, 1568, 2212, 2528, 3871, 4424, 7742, 8848, 15484, 17696, 30968, 61936, 123872, 128203, 256406, 512812, 897421, 1025624, 1794842, 2051248, 3589684, 4102496, 6281947, 7179368, 10128037, 12563894, 14358736, 20256074, 25127788, 28717472, 40512148, 50255576, 70896259, 81024296, 100511152, 141792518, 162048592, 201022304, 283585036, 324097184, 496273813, 567170072, 992547626, 1134340144, 1985095252, 2268680288, 3970190504, 7940381008, 15880762016]

約数ペア:

[(1, 15880762016), (2, 7940381008), (4, 3970190504), (7, 2268680288), (8, 1985095252), (14, 1134340144), (16, 992547626), (28, 567170072), (32, 496273813), (49, 324097184), (56, 283585036), (79, 201022304), (98, 162048592), (112, 141792518), (158, 100511152), (196, 81024296), (224, 70896259), (316, 50255576), (392, 40512148), (553, 28717472), (632, 25127788), (784, 20256074), (1106, 14358736), (1264, 12563894), (1568, 10128037), (2212, 7179368), (2528, 6281947), (3871, 4102496), (4424, 3589684), (7742, 2051248), (8848, 1794842), (15484, 1025624), (17696, 897421), (30968, 512812), (61936, 256406), (123872, 128203)]