91837480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{761}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 237012480

約数和(自身を除く): 145175000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 761, 862, 1522, 1724, 2155, 3017, 3044, 3448, 3805, 4310, 5327, 6034, 6088, 7610, 8620, 10654, 12068, 15085, 15220, 17240, 21308, 24136, 26635, 30170, 30440, 42616, 53270, 60340, 106540, 120680, 213080, 327991, 655982, 1311964, 1639955, 2295937, 2623928, 3279910, 4591874, 6559820, 9183748, 11479685, 13119640, 18367496, 22959370, 45918740, 91837480]

約数ペア:

[(1, 91837480), (2, 45918740), (4, 22959370), (5, 18367496), (7, 13119640), (8, 11479685), (10, 9183748), (14, 6559820), (20, 4591874), (28, 3279910), (35, 2623928), (40, 2295937), (56, 1639955), (70, 1311964), (140, 655982), (280, 327991), (431, 213080), (761, 120680), (862, 106540), (1522, 60340), (1724, 53270), (2155, 42616), (3017, 30440), (3044, 30170), (3448, 26635), (3805, 24136), (4310, 21308), (5327, 17240), (6034, 15220), (6088, 15085), (7610, 12068), (8620, 10654)]