2161166560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{4519}}^1$

素因数の和:4609

約数の個数: 144

約数和(自身を含む): 6038051040

約数和(自身を除く): 3876884480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 61, 70, 80, 98, 112, 122, 140, 160, 196, 224, 244, 245, 280, 305, 392, 427, 488, 490, 560, 610, 784, 854, 976, 980, 1120, 1220, 1568, 1708, 1952, 1960, 2135, 2440, 2989, 3416, 3920, 4270, 4519, 4880, 5978, 6832, 7840, 8540, 9038, 9760, 11956, 13664, 14945, 17080, 18076, 22595, 23912, 29890, 31633, 34160, 36152, 45190, 47824, 59780, 63266, 68320, 72304, 90380, 95648, 119560, 126532, 144608, 158165, 180760, 221431, 239120, 253064, 275659, 316330, 361520, 442862, 478240, 506128, 551318, 632660, 723040, 885724, 1012256, 1102636, 1107155, 1265320, 1378295, 1771448, 1929613, 2205272, 2214310, 2530640, 2756590, 3542896, 3859226, 4410544, 4428620, 5061280, 5513180, 7085792, 7718452, 8821088, 8857240, 9648065, 11026360, 13507291, 15436904, 17714480, 19296130, 22052720, 27014582, 30873808, 35428960, 38592260, 44105440, 54029164, 61747616, 67536455, 77184520, 108058328, 135072910, 154369040, 216116656, 270145820, 308738080, 432233312, 540291640, 1080583280, 2161166560]

約数ペア:

[(1, 2161166560), (2, 1080583280), (4, 540291640), (5, 432233312), (7, 308738080), (8, 270145820), (10, 216116656), (14, 154369040), (16, 135072910), (20, 108058328), (28, 77184520), (32, 67536455), (35, 61747616), (40, 54029164), (49, 44105440), (56, 38592260), (61, 35428960), (70, 30873808), (80, 27014582), (98, 22052720), (112, 19296130), (122, 17714480), (140, 15436904), (160, 13507291), (196, 11026360), (224, 9648065), (244, 8857240), (245, 8821088), (280, 7718452), (305, 7085792), (392, 5513180), (427, 5061280), (488, 4428620), (490, 4410544), (560, 3859226), (610, 3542896), (784, 2756590), (854, 2530640), (976, 2214310), (980, 2205272), (1120, 1929613), (1220, 1771448), (1568, 1378295), (1708, 1265320), (1952, 1107155), (1960, 1102636), (2135, 1012256), (2440, 885724), (2989, 723040), (3416, 632660), (3920, 551318), (4270, 506128), (4519, 478240), (4880, 442862), (5978, 361520), (6832, 316330), (7840, 275659), (8540, 253064), (9038, 239120), (9760, 221431), (11956, 180760), (13664, 158165), (14945, 144608), (17080, 126532), (18076, 119560), (22595, 95648), (23912, 90380), (29890, 72304), (31633, 68320), (34160, 63266), (36152, 59780), (45190, 47824)]