31308971120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2903}}^1\times {\mathrm{19259}}^1$

素因数の和:22182

約数の個数: 80

約数和(自身を含む): 83225387520

約数和(自身を除く): 51916416400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2903, 5806, 11612, 14515, 19259, 20321, 23224, 29030, 38518, 40642, 46448, 58060, 77036, 81284, 96295, 101605, 116120, 134813, 154072, 162568, 192590, 203210, 232240, 269626, 308144, 325136, 385180, 406420, 539252, 674065, 770360, 812840, 1078504, 1348130, 1540720, 1625680, 2157008, 2696260, 5392520, 10785040, 55908877, 111817754, 223635508, 279544385, 391362139, 447271016, 559088770, 782724278, 894542032, 1118177540, 1565448556, 1956810695, 2236355080, 3130897112, 3913621390, 4472710160, 6261794224, 7827242780, 15654485560, 31308971120]

約数ペア:

[(1, 31308971120), (2, 15654485560), (4, 7827242780), (5, 6261794224), (7, 4472710160), (8, 3913621390), (10, 3130897112), (14, 2236355080), (16, 1956810695), (20, 1565448556), (28, 1118177540), (35, 894542032), (40, 782724278), (56, 559088770), (70, 447271016), (80, 391362139), (112, 279544385), (140, 223635508), (280, 111817754), (560, 55908877), (2903, 10785040), (5806, 5392520), (11612, 2696260), (14515, 2157008), (19259, 1625680), (20321, 1540720), (23224, 1348130), (29030, 1078504), (38518, 812840), (40642, 770360), (46448, 674065), (58060, 539252), (77036, 406420), (81284, 385180), (96295, 325136), (101605, 308144), (116120, 269626), (134813, 232240), (154072, 203210), (162568, 192590)]