320450208

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256771}}^1$

素因数の和:256797

約数の個数: 48

約数和(自身を含む): 905891616

約数和(自身を除く): 585441408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 256771, 513542, 770313, 1027084, 1540626, 2054168, 3081252, 3338023, 4108336, 6162504, 6676046, 8216672, 10014069, 12325008, 13352092, 20028138, 24650016, 26704184, 40056276, 53408368, 80112552, 106816736, 160225104, 320450208]

約数ペア:

[(1, 320450208), (2, 160225104), (3, 106816736), (4, 80112552), (6, 53408368), (8, 40056276), (12, 26704184), (13, 24650016), (16, 20028138), (24, 13352092), (26, 12325008), (32, 10014069), (39, 8216672), (48, 6676046), (52, 6162504), (78, 4108336), (96, 3338023), (104, 3081252), (156, 2054168), (208, 1540626), (312, 1027084), (416, 770313), (624, 513542), (1248, 256771)]