207839580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 639475200

約数和(自身を除く): 431635620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 103, 130, 156, 169, 195, 199, 206, 260, 309, 338, 390, 398, 412, 507, 515, 597, 618, 676, 780, 796, 845, 995, 1014, 1030, 1194, 1236, 1339, 1545, 1690, 1990, 2028, 2060, 2388, 2535, 2587, 2678, 2985, 3090, 3380, 3980, 4017, 5070, 5174, 5356, 5970, 6180, 6695, 7761, 8034, 10140, 10348, 11940, 12935, 13390, 15522, 16068, 17407, 20085, 20497, 25870, 26780, 31044, 33631, 34814, 38805, 40170, 40994, 51740, 52221, 61491, 67262, 69628, 77610, 80340, 81988, 87035, 100893, 102485, 104442, 122982, 134524, 155220, 168155, 174070, 201786, 204970, 208884, 245964, 261105, 266461, 307455, 336310, 348140, 403572, 409940, 504465, 522210, 532922, 614910, 672620, 799383, 1008930, 1044420, 1065844, 1229820, 1332305, 1598766, 2017860, 2664610, 3197532, 3463993, 3996915, 5329220, 6927986, 7993830, 10391979, 13855972, 15987660, 17319965, 20783958, 34639930, 41567916, 51959895, 69279860, 103919790, 207839580]

約数ペア:

[(1, 207839580), (2, 103919790), (3, 69279860), (4, 51959895), (5, 41567916), (6, 34639930), (10, 20783958), (12, 17319965), (13, 15987660), (15, 13855972), (20, 10391979), (26, 7993830), (30, 6927986), (39, 5329220), (52, 3996915), (60, 3463993), (65, 3197532), (78, 2664610), (103, 2017860), (130, 1598766), (156, 1332305), (169, 1229820), (195, 1065844), (199, 1044420), (206, 1008930), (260, 799383), (309, 672620), (338, 614910), (390, 532922), (398, 522210), (412, 504465), (507, 409940), (515, 403572), (597, 348140), (618, 336310), (676, 307455), (780, 266461), (796, 261105), (845, 245964), (995, 208884), (1014, 204970), (1030, 201786), (1194, 174070), (1236, 168155), (1339, 155220), (1545, 134524), (1690, 122982), (1990, 104442), (2028, 102485), (2060, 100893), (2388, 87035), (2535, 81988), (2587, 80340), (2678, 77610), (2985, 69628), (3090, 67262), (3380, 61491), (3980, 52221), (4017, 51740), (5070, 40994), (5174, 40170), (5356, 38805), (5970, 34814), (6180, 33631), (6695, 31044), (7761, 26780), (8034, 25870), (10140, 20497), (10348, 20085), (11940, 17407), (12935, 16068), (13390, 15522)]