268568560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{919}}^1$

素因数の和:1226

約数の個数: 80

約数和(自身を含む): 675581760

約数和(自身を除く): 407013200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 281, 520, 562, 919, 1040, 1124, 1405, 1838, 2248, 2810, 3653, 3676, 4496, 4595, 5620, 7306, 7352, 9190, 11240, 11947, 14612, 14704, 18265, 18380, 22480, 23894, 29224, 36530, 36760, 47788, 58448, 59735, 73060, 73520, 95576, 119470, 146120, 191152, 238940, 258239, 292240, 477880, 516478, 955760, 1032956, 1291195, 2065912, 2582390, 3357107, 4131824, 5164780, 6714214, 10329560, 13428428, 16785535, 20659120, 26856856, 33571070, 53713712, 67142140, 134284280, 268568560]

約数ペア:

[(1, 268568560), (2, 134284280), (4, 67142140), (5, 53713712), (8, 33571070), (10, 26856856), (13, 20659120), (16, 16785535), (20, 13428428), (26, 10329560), (40, 6714214), (52, 5164780), (65, 4131824), (80, 3357107), (104, 2582390), (130, 2065912), (208, 1291195), (260, 1032956), (281, 955760), (520, 516478), (562, 477880), (919, 292240), (1040, 258239), (1124, 238940), (1405, 191152), (1838, 146120), (2248, 119470), (2810, 95576), (3653, 73520), (3676, 73060), (4496, 59735), (4595, 58448), (5620, 47788), (7306, 36760), (7352, 36530), (9190, 29224), (11240, 23894), (11947, 22480), (14612, 18380), (14704, 18265)]