1267140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{431}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 4136832

約数和(自身を除く): 2869692

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 431, 490, 588, 735, 862, 980, 1293, 1470, 1724, 2155, 2586, 2940, 3017, 4310, 5172, 6034, 6465, 8620, 9051, 12068, 12930, 15085, 18102, 21119, 25860, 30170, 36204, 42238, 45255, 60340, 63357, 84476, 90510, 105595, 126714, 181020, 211190, 253428, 316785, 422380, 633570, 1267140]

約数ペア:

[(1, 1267140), (2, 633570), (3, 422380), (4, 316785), (5, 253428), (6, 211190), (7, 181020), (10, 126714), (12, 105595), (14, 90510), (15, 84476), (20, 63357), (21, 60340), (28, 45255), (30, 42238), (35, 36204), (42, 30170), (49, 25860), (60, 21119), (70, 18102), (84, 15085), (98, 12930), (105, 12068), (140, 9051), (147, 8620), (196, 6465), (210, 6034), (245, 5172), (294, 4310), (420, 3017), (431, 2940), (490, 2586), (588, 2155), (735, 1724), (862, 1470), (980, 1293)]