240273880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:641

約数の個数: 128

約数和(自身を含む): 679311360

約数和(自身を除く): 439037480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 181, 220, 280, 308, 362, 385, 431, 440, 616, 724, 770, 862, 905, 1267, 1448, 1540, 1724, 1810, 1991, 2155, 2534, 3017, 3080, 3448, 3620, 3982, 4310, 4741, 5068, 6034, 6335, 7240, 7964, 8620, 9482, 9955, 10136, 12068, 12670, 13937, 15085, 15928, 17240, 18964, 19910, 23705, 24136, 25340, 27874, 30170, 33187, 37928, 39820, 47410, 50680, 55748, 60340, 66374, 69685, 78011, 79640, 94820, 111496, 120680, 132748, 139370, 156022, 165935, 189640, 265496, 278740, 312044, 331870, 390055, 546077, 557480, 624088, 663740, 780110, 858121, 1092154, 1327480, 1560220, 1716242, 2184308, 2730385, 3120440, 3432484, 4290605, 4368616, 5460770, 6006847, 6864968, 8581210, 10921540, 12013694, 17162420, 21843080, 24027388, 30034235, 34324840, 48054776, 60068470, 120136940, 240273880]

約数ペア:

[(1, 240273880), (2, 120136940), (4, 60068470), (5, 48054776), (7, 34324840), (8, 30034235), (10, 24027388), (11, 21843080), (14, 17162420), (20, 12013694), (22, 10921540), (28, 8581210), (35, 6864968), (40, 6006847), (44, 5460770), (55, 4368616), (56, 4290605), (70, 3432484), (77, 3120440), (88, 2730385), (110, 2184308), (140, 1716242), (154, 1560220), (181, 1327480), (220, 1092154), (280, 858121), (308, 780110), (362, 663740), (385, 624088), (431, 557480), (440, 546077), (616, 390055), (724, 331870), (770, 312044), (862, 278740), (905, 265496), (1267, 189640), (1448, 165935), (1540, 156022), (1724, 139370), (1810, 132748), (1991, 120680), (2155, 111496), (2534, 94820), (3017, 79640), (3080, 78011), (3448, 69685), (3620, 66374), (3982, 60340), (4310, 55748), (4741, 50680), (5068, 47410), (6034, 39820), (6335, 37928), (7240, 33187), (7964, 30170), (8620, 27874), (9482, 25340), (9955, 24136), (10136, 23705), (12068, 19910), (12670, 18964), (13937, 17240), (15085, 15928)]