81565560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{226571}}^1$

素因数の和:226588

約数の個数: 48

約数和(自身を含む): 265089240

約数和(自身を除く): 183523680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 226571, 453142, 679713, 906284, 1132855, 1359426, 1812568, 2039139, 2265710, 2718852, 3398565, 4078278, 4531420, 5437704, 6797130, 8156556, 9062840, 10195695, 13594260, 16313112, 20391390, 27188520, 40782780, 81565560]

約数ペア:

[(1, 81565560), (2, 40782780), (3, 27188520), (4, 20391390), (5, 16313112), (6, 13594260), (8, 10195695), (9, 9062840), (10, 8156556), (12, 6797130), (15, 5437704), (18, 4531420), (20, 4078278), (24, 3398565), (30, 2718852), (36, 2265710), (40, 2039139), (45, 1812568), (60, 1359426), (72, 1132855), (90, 906284), (120, 679713), (180, 453142), (360, 226571)]