291047220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1302

約数の個数: 144

約数和(自身を含む): 933284352

約数和(自身を除く): 642237132

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 1116, 1213, 1290, 1333, 1395, 1548, 1860, 1935, 2426, 2580, 2666, 2790, 3639, 3870, 3999, 4852, 5332, 5580, 6065, 6665, 7278, 7740, 7998, 10917, 11997, 12130, 13330, 14556, 15996, 18195, 19995, 21834, 23994, 24260, 26660, 36390, 37603, 39990, 43668, 47988, 52159, 54585, 59985, 72780, 75206, 79980, 104318, 109170, 112809, 119970, 150412, 156477, 188015, 208636, 218340, 225618, 239940, 260795, 312954, 338427, 376030, 451236, 469431, 521590, 564045, 625908, 676854, 752060, 782385, 938862, 1043180, 1128090, 1353708, 1564770, 1616929, 1692135, 1877724, 2256180, 2347155, 3129540, 3233858, 3384270, 4694310, 4850787, 6467716, 6768540, 8084645, 9388620, 9701574, 14552361, 16169290, 19403148, 24253935, 29104722, 32338580, 48507870, 58209444, 72761805, 97015740, 145523610, 291047220]

約数ペア:

[(1, 291047220), (2, 145523610), (3, 97015740), (4, 72761805), (5, 58209444), (6, 48507870), (9, 32338580), (10, 29104722), (12, 24253935), (15, 19403148), (18, 16169290), (20, 14552361), (30, 9701574), (31, 9388620), (36, 8084645), (43, 6768540), (45, 6467716), (60, 4850787), (62, 4694310), (86, 3384270), (90, 3233858), (93, 3129540), (124, 2347155), (129, 2256180), (155, 1877724), (172, 1692135), (180, 1616929), (186, 1564770), (215, 1353708), (258, 1128090), (279, 1043180), (310, 938862), (372, 782385), (387, 752060), (430, 676854), (465, 625908), (516, 564045), (558, 521590), (620, 469431), (645, 451236), (774, 376030), (860, 338427), (930, 312954), (1116, 260795), (1213, 239940), (1290, 225618), (1333, 218340), (1395, 208636), (1548, 188015), (1860, 156477), (1935, 150412), (2426, 119970), (2580, 112809), (2666, 109170), (2790, 104318), (3639, 79980), (3870, 75206), (3999, 72780), (4852, 59985), (5332, 54585), (5580, 52159), (6065, 47988), (6665, 43668), (7278, 39990), (7740, 37603), (7998, 36390), (10917, 26660), (11997, 24260), (12130, 23994), (13330, 21834), (14556, 19995), (15996, 18195)]