8729820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4409}}^1$

素因数の和:4435

約数の個数: 72

約数和(自身を含む): 28894320

約数和(自身を除く): 20164500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 4409, 8818, 13227, 17636, 22045, 26454, 39681, 44090, 48499, 52908, 66135, 79362, 88180, 96998, 132270, 145497, 158724, 193996, 198405, 242495, 264540, 290994, 396810, 436491, 484990, 581988, 727485, 793620, 872982, 969980, 1454970, 1745964, 2182455, 2909940, 4364910, 8729820]

約数ペア:

[(1, 8729820), (2, 4364910), (3, 2909940), (4, 2182455), (5, 1745964), (6, 1454970), (9, 969980), (10, 872982), (11, 793620), (12, 727485), (15, 581988), (18, 484990), (20, 436491), (22, 396810), (30, 290994), (33, 264540), (36, 242495), (44, 198405), (45, 193996), (55, 158724), (60, 145497), (66, 132270), (90, 96998), (99, 88180), (110, 79362), (132, 66135), (165, 52908), (180, 48499), (198, 44090), (220, 39681), (330, 26454), (396, 22045), (495, 17636), (660, 13227), (990, 8818), (1980, 4409)]