64985040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2161

約数の個数: 120

約数和(自身を含む): 223423200

約数和(自身を除く): 158438160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2099, 2580, 3096, 3440, 3870, 4198, 5160, 6192, 6297, 7740, 8396, 10320, 10495, 12594, 15480, 16792, 18891, 20990, 25188, 30960, 31485, 33584, 37782, 41980, 50376, 62970, 75564, 83960, 90257, 94455, 100752, 125940, 151128, 167920, 180514, 188910, 251880, 270771, 302256, 361028, 377820, 451285, 503760, 541542, 722056, 755640, 812313, 902570, 1083084, 1353855, 1444112, 1511280, 1624626, 1805140, 2166168, 2707710, 3249252, 3610280, 4061565, 4332336, 5415420, 6498504, 7220560, 8123130, 10830840, 12997008, 16246260, 21661680, 32492520, 64985040]

約数ペア:

[(1, 64985040), (2, 32492520), (3, 21661680), (4, 16246260), (5, 12997008), (6, 10830840), (8, 8123130), (9, 7220560), (10, 6498504), (12, 5415420), (15, 4332336), (16, 4061565), (18, 3610280), (20, 3249252), (24, 2707710), (30, 2166168), (36, 1805140), (40, 1624626), (43, 1511280), (45, 1444112), (48, 1353855), (60, 1083084), (72, 902570), (80, 812313), (86, 755640), (90, 722056), (120, 541542), (129, 503760), (144, 451285), (172, 377820), (180, 361028), (215, 302256), (240, 270771), (258, 251880), (344, 188910), (360, 180514), (387, 167920), (430, 151128), (516, 125940), (645, 100752), (688, 94455), (720, 90257), (774, 83960), (860, 75564), (1032, 62970), (1290, 50376), (1548, 41980), (1720, 37782), (1935, 33584), (2064, 31485), (2099, 30960), (2580, 25188), (3096, 20990), (3440, 18891), (3870, 16792), (4198, 15480), (5160, 12594), (6192, 10495), (6297, 10320), (7740, 8396)]