80654220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15451}}^1$

素因数の和:15495

約数の個数: 72

約数和(自身を含む): 253103760

約数和(自身を除く): 172449540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 15451, 30902, 46353, 61804, 77255, 92706, 139059, 154510, 185412, 231765, 278118, 309020, 448079, 463530, 556236, 695295, 896158, 927060, 1344237, 1390590, 1792316, 2240395, 2688474, 2781180, 4032711, 4480790, 5376948, 6721185, 8065422, 8961580, 13442370, 16130844, 20163555, 26884740, 40327110, 80654220]

約数ペア:

[(1, 80654220), (2, 40327110), (3, 26884740), (4, 20163555), (5, 16130844), (6, 13442370), (9, 8961580), (10, 8065422), (12, 6721185), (15, 5376948), (18, 4480790), (20, 4032711), (29, 2781180), (30, 2688474), (36, 2240395), (45, 1792316), (58, 1390590), (60, 1344237), (87, 927060), (90, 896158), (116, 695295), (145, 556236), (174, 463530), (180, 448079), (261, 309020), (290, 278118), (348, 231765), (435, 185412), (522, 154510), (580, 139059), (870, 92706), (1044, 77255), (1305, 61804), (1740, 46353), (2610, 30902), (5220, 15451)]