66651720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12917}}^1$

素因数の和:12974

約数の個数: 64

約数和(自身を含む): 204621120

約数和(自身を除く): 137969400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 12917, 25834, 38751, 51668, 64585, 77502, 103336, 129170, 155004, 193755, 258340, 310008, 387510, 516680, 555431, 775020, 1110862, 1550040, 1666293, 2221724, 2777155, 3332586, 4443448, 5554310, 6665172, 8331465, 11108620, 13330344, 16662930, 22217240, 33325860, 66651720]

約数ペア:

[(1, 66651720), (2, 33325860), (3, 22217240), (4, 16662930), (5, 13330344), (6, 11108620), (8, 8331465), (10, 6665172), (12, 5554310), (15, 4443448), (20, 3332586), (24, 2777155), (30, 2221724), (40, 1666293), (43, 1550040), (60, 1110862), (86, 775020), (120, 555431), (129, 516680), (172, 387510), (215, 310008), (258, 258340), (344, 193755), (430, 155004), (516, 129170), (645, 103336), (860, 77502), (1032, 64585), (1290, 51668), (1720, 38751), (2580, 25834), (5160, 12917)]