205558920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:345

約数の個数: 288

約数和(自身を含む): 798145920

約数和(自身を除く): 592587000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 49, 56, 60, 63, 70, 72, 84, 86, 90, 98, 105, 120, 126, 129, 140, 147, 168, 172, 180, 196, 210, 215, 245, 252, 258, 271, 280, 294, 301, 315, 344, 360, 387, 392, 420, 430, 441, 490, 504, 516, 542, 588, 602, 630, 645, 735, 774, 813, 840, 860, 882, 903, 980, 1032, 1084, 1176, 1204, 1260, 1290, 1355, 1470, 1505, 1548, 1626, 1720, 1764, 1806, 1897, 1935, 1960, 2107, 2168, 2205, 2408, 2439, 2520, 2580, 2709, 2710, 2940, 3010, 3096, 3252, 3528, 3612, 3794, 3870, 4065, 4214, 4410, 4515, 4878, 5160, 5418, 5420, 5691, 5880, 6020, 6321, 6504, 7224, 7588, 7740, 8130, 8428, 8820, 9030, 9485, 9756, 10535, 10836, 10840, 11382, 11653, 12040, 12195, 12642, 13279, 13545, 15176, 15480, 16260, 16856, 17073, 17640, 18060, 18963, 18970, 19512, 21070, 21672, 22764, 23306, 24390, 25284, 26558, 27090, 28455, 31605, 32520, 34146, 34959, 36120, 37926, 37940, 39837, 42140, 45528, 46612, 48780, 50568, 53116, 54180, 56910, 58265, 63210, 66395, 68292, 69918, 75852, 75880, 79674, 81571, 84280, 85365, 93224, 94815, 97560, 104877, 106232, 108360, 113820, 116530, 119511, 126420, 132790, 136584, 139836, 151704, 159348, 163142, 170730, 174795, 189630, 199185, 209754, 227640, 233060, 239022, 244713, 252840, 265580, 279672, 318696, 326284, 341460, 349590, 379260, 398370, 407855, 419508, 466120, 478044, 489426, 524385, 531160, 570997, 597555, 652568, 682920, 699180, 734139, 758520, 796740, 815710, 839016, 956088, 978852, 1048770, 1141994, 1195110, 1223565, 1398360, 1468278, 1593480, 1631420, 1712991, 1957704, 2097540, 2283988, 2390220, 2447130, 2854985, 2936556, 3262840, 3425982, 3670695, 4195080, 4567976, 4780440, 4894260, 5138973, 5709970, 5873112, 6851964, 7341390, 8564955, 9788520, 10277946, 11419940, 13703928, 14682780, 17129910, 20555892, 22839880, 25694865, 29365560, 34259820, 41111784, 51389730, 68519640, 102779460, 205558920]

約数ペア:

[(1, 205558920), (2, 102779460), (3, 68519640), (4, 51389730), (5, 41111784), (6, 34259820), (7, 29365560), (8, 25694865), (9, 22839880), (10, 20555892), (12, 17129910), (14, 14682780), (15, 13703928), (18, 11419940), (20, 10277946), (21, 9788520), (24, 8564955), (28, 7341390), (30, 6851964), (35, 5873112), (36, 5709970), (40, 5138973), (42, 4894260), (43, 4780440), (45, 4567976), (49, 4195080), (56, 3670695), (60, 3425982), (63, 3262840), (70, 2936556), (72, 2854985), (84, 2447130), (86, 2390220), (90, 2283988), (98, 2097540), (105, 1957704), (120, 1712991), (126, 1631420), (129, 1593480), (140, 1468278), (147, 1398360), (168, 1223565), (172, 1195110), (180, 1141994), (196, 1048770), (210, 978852), (215, 956088), (245, 839016), (252, 815710), (258, 796740), (271, 758520), (280, 734139), (294, 699180), (301, 682920), (315, 652568), (344, 597555), (360, 570997), (387, 531160), (392, 524385), (420, 489426), (430, 478044), (441, 466120), (490, 419508), (504, 407855), (516, 398370), (542, 379260), (588, 349590), (602, 341460), (630, 326284), (645, 318696), (735, 279672), (774, 265580), (813, 252840), (840, 244713), (860, 239022), (882, 233060), (903, 227640), (980, 209754), (1032, 199185), (1084, 189630), (1176, 174795), (1204, 170730), (1260, 163142), (1290, 159348), (1355, 151704), (1470, 139836), (1505, 136584), (1548, 132790), (1626, 126420), (1720, 119511), (1764, 116530), (1806, 113820), (1897, 108360), (1935, 106232), (1960, 104877), (2107, 97560), (2168, 94815), (2205, 93224), (2408, 85365), (2439, 84280), (2520, 81571), (2580, 79674), (2709, 75880), (2710, 75852), (2940, 69918), (3010, 68292), (3096, 66395), (3252, 63210), (3528, 58265), (3612, 56910), (3794, 54180), (3870, 53116), (4065, 50568), (4214, 48780), (4410, 46612), (4515, 45528), (4878, 42140), (5160, 39837), (5418, 37940), (5420, 37926), (5691, 36120), (5880, 34959), (6020, 34146), (6321, 32520), (6504, 31605), (7224, 28455), (7588, 27090), (7740, 26558), (8130, 25284), (8428, 24390), (8820, 23306), (9030, 22764), (9485, 21672), (9756, 21070), (10535, 19512), (10836, 18970), (10840, 18963), (11382, 18060), (11653, 17640), (12040, 17073), (12195, 16856), (12642, 16260), (13279, 15480), (13545, 15176)]