128753460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65027}}^1$

素因数の和:65053

約数の個数: 72

約数和(自身を含む): 426063456

約数和(自身を除く): 297309996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 65027, 130054, 195081, 260108, 325135, 390162, 585243, 650270, 715297, 780324, 975405, 1170486, 1300540, 1430594, 1950810, 2145891, 2340972, 2861188, 2926215, 3576485, 3901620, 4291782, 5852430, 6437673, 7152970, 8583564, 10729455, 11704860, 12875346, 14305940, 21458910, 25750692, 32188365, 42917820, 64376730, 128753460]

約数ペア:

[(1, 128753460), (2, 64376730), (3, 42917820), (4, 32188365), (5, 25750692), (6, 21458910), (9, 14305940), (10, 12875346), (11, 11704860), (12, 10729455), (15, 8583564), (18, 7152970), (20, 6437673), (22, 5852430), (30, 4291782), (33, 3901620), (36, 3576485), (44, 2926215), (45, 2861188), (55, 2340972), (60, 2145891), (66, 1950810), (90, 1430594), (99, 1300540), (110, 1170486), (132, 975405), (165, 780324), (180, 715297), (198, 650270), (220, 585243), (330, 390162), (396, 325135), (495, 260108), (660, 195081), (990, 130054), (1980, 65027)]