1281292480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{308003}}^1$

素因数の和:308033

約数の個数: 56

約数和(自身を含む): 3285786672

約数和(自身を除く): 2004494192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 308003, 616006, 1232012, 1540015, 2464024, 3080030, 4004039, 4928048, 6160060, 8008078, 9856096, 12320120, 16016156, 19712192, 20020195, 24640240, 32032312, 40040390, 49280480, 64064624, 80080780, 98560960, 128129248, 160161560, 256258496, 320323120, 640646240, 1281292480]

約数ペア:

[(1, 1281292480), (2, 640646240), (4, 320323120), (5, 256258496), (8, 160161560), (10, 128129248), (13, 98560960), (16, 80080780), (20, 64064624), (26, 49280480), (32, 40040390), (40, 32032312), (52, 24640240), (64, 20020195), (65, 19712192), (80, 16016156), (104, 12320120), (130, 9856096), (160, 8008078), (208, 6160060), (260, 4928048), (320, 4004039), (416, 3080030), (520, 2464024), (832, 1540015), (1040, 1232012), (2080, 616006), (4160, 308003)]