721827312

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{2137}}^1$

素因数の和:2406

約数の個数: 80

約数和(自身を含む): 1934257152

約数和(自身を除く): 1212429840

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 227, 248, 372, 454, 496, 681, 744, 908, 1362, 1488, 1816, 2137, 2724, 3632, 4274, 5448, 6411, 7037, 8548, 10896, 12822, 14074, 17096, 21111, 25644, 28148, 34192, 42222, 51288, 56296, 66247, 84444, 102576, 112592, 132494, 168888, 198741, 264988, 337776, 397482, 485099, 529976, 794964, 970198, 1059952, 1455297, 1589928, 1940396, 2910594, 3179856, 3880792, 5821188, 7761584, 11642376, 15038069, 23284752, 30076138, 45114207, 60152276, 90228414, 120304552, 180456828, 240609104, 360913656, 721827312]

約数ペア:

[(1, 721827312), (2, 360913656), (3, 240609104), (4, 180456828), (6, 120304552), (8, 90228414), (12, 60152276), (16, 45114207), (24, 30076138), (31, 23284752), (48, 15038069), (62, 11642376), (93, 7761584), (124, 5821188), (186, 3880792), (227, 3179856), (248, 2910594), (372, 1940396), (454, 1589928), (496, 1455297), (681, 1059952), (744, 970198), (908, 794964), (1362, 529976), (1488, 485099), (1816, 397482), (2137, 337776), (2724, 264988), (3632, 198741), (4274, 168888), (5448, 132494), (6411, 112592), (7037, 102576), (8548, 84444), (10896, 66247), (12822, 56296), (14074, 51288), (17096, 42222), (21111, 34192), (25644, 28148)]