8189820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 25081056

約数和(自身を除く): 16891236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 263, 346, 519, 526, 692, 789, 865, 1038, 1052, 1315, 1557, 1578, 1730, 2076, 2367, 2595, 2630, 3114, 3156, 3460, 3945, 4734, 5190, 5260, 6228, 7785, 7890, 9468, 10380, 11835, 15570, 15780, 23670, 31140, 45499, 47340, 90998, 136497, 181996, 227495, 272994, 409491, 454990, 545988, 682485, 818982, 909980, 1364970, 1637964, 2047455, 2729940, 4094910, 8189820]

約数ペア:

[(1, 8189820), (2, 4094910), (3, 2729940), (4, 2047455), (5, 1637964), (6, 1364970), (9, 909980), (10, 818982), (12, 682485), (15, 545988), (18, 454990), (20, 409491), (30, 272994), (36, 227495), (45, 181996), (60, 136497), (90, 90998), (173, 47340), (180, 45499), (263, 31140), (346, 23670), (519, 15780), (526, 15570), (692, 11835), (789, 10380), (865, 9468), (1038, 7890), (1052, 7785), (1315, 6228), (1557, 5260), (1578, 5190), (1730, 4734), (2076, 3945), (2367, 3460), (2595, 3156), (2630, 3114)]