228740820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 216

約数和(自身を含む): 820203552

約数和(自身を除く): 591462732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 121, 132, 140, 147, 154, 165, 196, 210, 220, 231, 242, 245, 294, 308, 330, 363, 385, 420, 462, 484, 490, 539, 588, 605, 643, 660, 726, 735, 770, 847, 924, 980, 1078, 1155, 1210, 1286, 1452, 1470, 1540, 1617, 1694, 1815, 1929, 2156, 2310, 2420, 2541, 2572, 2695, 2940, 3215, 3234, 3388, 3630, 3858, 4235, 4501, 4620, 5082, 5390, 5929, 6430, 6468, 7073, 7260, 7716, 8085, 8470, 9002, 9645, 10164, 10780, 11858, 12705, 12860, 13503, 14146, 16170, 16940, 17787, 18004, 19290, 21219, 22505, 23716, 25410, 27006, 28292, 29645, 31507, 32340, 35365, 35574, 38580, 42438, 45010, 49511, 50820, 54012, 59290, 63014, 67515, 70730, 71148, 77803, 84876, 88935, 90020, 94521, 99022, 106095, 118580, 126028, 135030, 141460, 148533, 155606, 157535, 177870, 189042, 198044, 212190, 233409, 247555, 270060, 297066, 311212, 315070, 346577, 355740, 378084, 389015, 424380, 466818, 472605, 495110, 544621, 594132, 630140, 693154, 742665, 778030, 933636, 945210, 990220, 1039731, 1089242, 1167045, 1386308, 1485330, 1556060, 1633863, 1732885, 1890420, 2079462, 2178484, 2334090, 2723105, 2970660, 3267726, 3465770, 3812347, 4158924, 4668180, 5198655, 5446210, 6535452, 6931540, 7624694, 8169315, 10397310, 10892420, 11437041, 15249388, 16338630, 19061735, 20794620, 22874082, 32677260, 38123470, 45748164, 57185205, 76246940, 114370410, 228740820]

約数ペア:

[(1, 228740820), (2, 114370410), (3, 76246940), (4, 57185205), (5, 45748164), (6, 38123470), (7, 32677260), (10, 22874082), (11, 20794620), (12, 19061735), (14, 16338630), (15, 15249388), (20, 11437041), (21, 10892420), (22, 10397310), (28, 8169315), (30, 7624694), (33, 6931540), (35, 6535452), (42, 5446210), (44, 5198655), (49, 4668180), (55, 4158924), (60, 3812347), (66, 3465770), (70, 3267726), (77, 2970660), (84, 2723105), (98, 2334090), (105, 2178484), (110, 2079462), (121, 1890420), (132, 1732885), (140, 1633863), (147, 1556060), (154, 1485330), (165, 1386308), (196, 1167045), (210, 1089242), (220, 1039731), (231, 990220), (242, 945210), (245, 933636), (294, 778030), (308, 742665), (330, 693154), (363, 630140), (385, 594132), (420, 544621), (462, 495110), (484, 472605), (490, 466818), (539, 424380), (588, 389015), (605, 378084), (643, 355740), (660, 346577), (726, 315070), (735, 311212), (770, 297066), (847, 270060), (924, 247555), (980, 233409), (1078, 212190), (1155, 198044), (1210, 189042), (1286, 177870), (1452, 157535), (1470, 155606), (1540, 148533), (1617, 141460), (1694, 135030), (1815, 126028), (1929, 118580), (2156, 106095), (2310, 99022), (2420, 94521), (2541, 90020), (2572, 88935), (2695, 84876), (2940, 77803), (3215, 71148), (3234, 70730), (3388, 67515), (3630, 63014), (3858, 59290), (4235, 54012), (4501, 50820), (4620, 49511), (5082, 45010), (5390, 42438), (5929, 38580), (6430, 35574), (6468, 35365), (7073, 32340), (7260, 31507), (7716, 29645), (8085, 28292), (8470, 27006), (9002, 25410), (9645, 23716), (10164, 22505), (10780, 21219), (11858, 19290), (12705, 18004), (12860, 17787), (13503, 16940), (14146, 16170)]