72380815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 102283776

約数和(自身を除く): 29902961

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2113, 2635, 6851, 10565, 27469, 34255, 35921, 65503, 137345, 179605, 327515, 466973, 851539, 1113551, 2334865, 4257695, 5567755, 14476163, 72380815]

約数ペア:

[(1, 72380815), (5, 14476163), (13, 5567755), (17, 4257695), (31, 2334865), (65, 1113551), (85, 851539), (155, 466973), (221, 327515), (403, 179605), (527, 137345), (1105, 65503), (2015, 35921), (2113, 34255), (2635, 27469), (6851, 10565)]