28931820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1259}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 81285120

約数和(自身を除く): 52353300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 1149, 1259, 1532, 1915, 2298, 2518, 3777, 3830, 4596, 5036, 5745, 6295, 7554, 7660, 11490, 12590, 15108, 18885, 22980, 25180, 37770, 75540, 482197, 964394, 1446591, 1928788, 2410985, 2893182, 4821970, 5786364, 7232955, 9643940, 14465910, 28931820]

約数ペア:

[(1, 28931820), (2, 14465910), (3, 9643940), (4, 7232955), (5, 5786364), (6, 4821970), (10, 2893182), (12, 2410985), (15, 1928788), (20, 1446591), (30, 964394), (60, 482197), (383, 75540), (766, 37770), (1149, 25180), (1259, 22980), (1532, 18885), (1915, 15108), (2298, 12590), (2518, 11490), (3777, 7660), (3830, 7554), (4596, 6295), (5036, 5745)]