16980240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 53121600

約数和(自身を除く): 36141360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 509, 556, 695, 834, 1018, 1112, 1390, 1527, 1668, 2036, 2085, 2224, 2545, 2780, 3054, 3336, 4072, 4170, 5090, 5560, 6108, 6672, 7635, 8144, 8340, 10180, 11120, 12216, 15270, 16680, 20360, 24432, 30540, 33360, 40720, 61080, 70751, 122160, 141502, 212253, 283004, 353755, 424506, 566008, 707510, 849012, 1061265, 1132016, 1415020, 1698024, 2122530, 2830040, 3396048, 4245060, 5660080, 8490120, 16980240]

約数ペア:

[(1, 16980240), (2, 8490120), (3, 5660080), (4, 4245060), (5, 3396048), (6, 2830040), (8, 2122530), (10, 1698024), (12, 1415020), (15, 1132016), (16, 1061265), (20, 849012), (24, 707510), (30, 566008), (40, 424506), (48, 353755), (60, 283004), (80, 212253), (120, 141502), (139, 122160), (240, 70751), (278, 61080), (417, 40720), (509, 33360), (556, 30540), (695, 24432), (834, 20360), (1018, 16680), (1112, 15270), (1390, 12216), (1527, 11120), (1668, 10180), (2036, 8340), (2085, 8144), (2224, 7635), (2545, 6672), (2780, 6108), (3054, 5560), (3336, 5090), (4072, 4170)]