211220280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{586723}}^1$

素因数の和:586740

約数の個数: 48

約数和(自身を含む): 686467080

約数和(自身を除く): 475246800

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, 586723, 1173446, 1760169, 2346892, 2933615, 3520338, 4693784, 5280507, 5867230, 7040676, 8800845, 10561014, 11734460, 14081352, 17601690, 21122028, 23468920, 26402535, 35203380, 42244056, 52805070, 70406760, 105610140, 211220280]

約数ペア:

[(1, 211220280), (2, 105610140), (3, 70406760), (4, 52805070), (5, 42244056), (6, 35203380), (8, 26402535), (9, 23468920), (10, 21122028), (12, 17601690), (15, 14081352), (18, 11734460), (20, 10561014), (24, 8800845), (30, 7040676), (36, 5867230), (40, 5280507), (45, 4693784), (60, 3520338), (72, 2933615), (90, 2346892), (120, 1760169), (180, 1173446), (360, 586723)]