12690540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 40158720

約数和(自身を除く): 27468180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 331, 355, 426, 540, 639, 662, 710, 852, 993, 1065, 1278, 1324, 1420, 1655, 1917, 1986, 2130, 2556, 2979, 3195, 3310, 3834, 3972, 4260, 4965, 5958, 6390, 6620, 7668, 8937, 9585, 9930, 11916, 12780, 14895, 17874, 19170, 19860, 23501, 29790, 35748, 38340, 44685, 47002, 59580, 70503, 89370, 94004, 117505, 141006, 178740, 211509, 235010, 282012, 352515, 423018, 470020, 634527, 705030, 846036, 1057545, 1269054, 1410060, 2115090, 2538108, 3172635, 4230180, 6345270, 12690540]

約数ペア:

[(1, 12690540), (2, 6345270), (3, 4230180), (4, 3172635), (5, 2538108), (6, 2115090), (9, 1410060), (10, 1269054), (12, 1057545), (15, 846036), (18, 705030), (20, 634527), (27, 470020), (30, 423018), (36, 352515), (45, 282012), (54, 235010), (60, 211509), (71, 178740), (90, 141006), (108, 117505), (135, 94004), (142, 89370), (180, 70503), (213, 59580), (270, 47002), (284, 44685), (331, 38340), (355, 35748), (426, 29790), (540, 23501), (639, 19860), (662, 19170), (710, 17874), (852, 14895), (993, 12780), (1065, 11916), (1278, 9930), (1324, 9585), (1420, 8937), (1655, 7668), (1917, 6620), (1986, 6390), (2130, 5958), (2556, 4965), (2979, 4260), (3195, 3972), (3310, 3834)]