16890480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23459}}^1$

素因数の和:23478

約数の個数: 60

約数和(自身を含む): 56726280

約数和(自身を除く): 39835800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 23459, 46918, 70377, 93836, 117295, 140754, 187672, 211131, 234590, 281508, 351885, 375344, 422262, 469180, 563016, 703770, 844524, 938360, 1055655, 1126032, 1407540, 1689048, 1876720, 2111310, 2815080, 3378096, 4222620, 5630160, 8445240, 16890480]

約数ペア:

[(1, 16890480), (2, 8445240), (3, 5630160), (4, 4222620), (5, 3378096), (6, 2815080), (8, 2111310), (9, 1876720), (10, 1689048), (12, 1407540), (15, 1126032), (16, 1055655), (18, 938360), (20, 844524), (24, 703770), (30, 563016), (36, 469180), (40, 422262), (45, 375344), (48, 351885), (60, 281508), (72, 234590), (80, 211131), (90, 187672), (120, 140754), (144, 117295), (180, 93836), (240, 70377), (360, 46918), (720, 23459)]