261036216

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{172643}}^1$

素因数の和:172665

約数の個数: 64

約数和(自身を含む): 828691200

約数和(自身を除く): 567654984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 172643, 345286, 517929, 690572, 1035858, 1208501, 1381144, 1553787, 2071716, 2417002, 3107574, 3625503, 4143432, 4661361, 4834004, 6215148, 7251006, 9322722, 9668008, 10876509, 12430296, 14502012, 18645444, 21753018, 29004024, 32629527, 37290888, 43506036, 65259054, 87012072, 130518108, 261036216]

約数ペア:

[(1, 261036216), (2, 130518108), (3, 87012072), (4, 65259054), (6, 43506036), (7, 37290888), (8, 32629527), (9, 29004024), (12, 21753018), (14, 18645444), (18, 14502012), (21, 12430296), (24, 10876509), (27, 9668008), (28, 9322722), (36, 7251006), (42, 6215148), (54, 4834004), (56, 4661361), (63, 4143432), (72, 3625503), (84, 3107574), (108, 2417002), (126, 2071716), (168, 1553787), (189, 1381144), (216, 1208501), (252, 1035858), (378, 690572), (504, 517929), (756, 345286), (1512, 172643)]