1325820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 3911040

約数和(自身を除く): 2585220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 1163, 2326, 3489, 4652, 5815, 6978, 11630, 13956, 17445, 22097, 23260, 34890, 44194, 66291, 69780, 88388, 110485, 132582, 220970, 265164, 331455, 441940, 662910, 1325820]

約数ペア:

[(1, 1325820), (2, 662910), (3, 441940), (4, 331455), (5, 265164), (6, 220970), (10, 132582), (12, 110485), (15, 88388), (19, 69780), (20, 66291), (30, 44194), (38, 34890), (57, 23260), (60, 22097), (76, 17445), (95, 13956), (114, 11630), (190, 6978), (228, 5815), (285, 4652), (380, 3489), (570, 2326), (1140, 1163)]