12820465840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13241}}^1$

素因数の和:13300

約数の個数: 240

約数和(自身を含む): 39309671520

約数和(自身を除く): 26489205680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 70, 76, 80, 91, 95, 98, 104, 112, 130, 133, 140, 152, 182, 190, 196, 208, 245, 247, 260, 266, 280, 304, 364, 380, 392, 455, 490, 494, 520, 532, 560, 637, 665, 728, 760, 784, 910, 931, 980, 988, 1040, 1064, 1235, 1274, 1330, 1456, 1520, 1729, 1820, 1862, 1960, 1976, 2128, 2470, 2548, 2660, 3185, 3458, 3640, 3724, 3920, 3952, 4655, 4940, 5096, 5320, 6370, 6916, 7280, 7448, 8645, 9310, 9880, 10192, 10640, 12103, 12740, 13241, 13832, 14896, 17290, 18620, 19760, 24206, 25480, 26482, 27664, 34580, 37240, 48412, 50960, 52964, 60515, 66205, 69160, 74480, 92687, 96824, 105928, 121030, 132410, 138320, 172133, 185374, 193648, 211856, 242060, 251579, 264820, 344266, 370748, 463435, 484120, 503158, 529640, 648809, 688532, 741496, 860665, 926870, 968240, 1006316, 1059280, 1204931, 1257895, 1297618, 1377064, 1482992, 1721330, 1761053, 1853740, 2012632, 2409862, 2515790, 2595236, 2754128, 3244045, 3270527, 3442660, 3522106, 3707480, 4025264, 4819724, 5031580, 5190472, 6024655, 6488090, 6541054, 6885320, 7044212, 7414960, 8434517, 8805265, 9639448, 10063160, 10380944, 12049310, 12327371, 12976180, 13082108, 13770640, 14088424, 16352635, 16869034, 17610530, 19278896, 20126320, 22893689, 24098620, 24654742, 25952360, 26164216, 28176848, 32705270, 33738068, 35221060, 42172585, 45787378, 48197240, 49309484, 51904720, 52328432, 61636855, 65410540, 67476136, 70442120, 84345170, 91574756, 96394480, 98618968, 114468445, 123273710, 130821080, 134952272, 140884240, 160255823, 168690340, 183149512, 197237936, 228936890, 246547420, 261642160, 320511646, 337380680, 366299024, 457873780, 493094840, 641023292, 674761360, 801279115, 915747560, 986189680, 1282046584, 1602558230, 1831495120, 2564093168, 3205116460, 6410232920, 12820465840]

約数ペア:

[(1, 12820465840), (2, 6410232920), (4, 3205116460), (5, 2564093168), (7, 1831495120), (8, 1602558230), (10, 1282046584), (13, 986189680), (14, 915747560), (16, 801279115), (19, 674761360), (20, 641023292), (26, 493094840), (28, 457873780), (35, 366299024), (38, 337380680), (40, 320511646), (49, 261642160), (52, 246547420), (56, 228936890), (65, 197237936), (70, 183149512), (76, 168690340), (80, 160255823), (91, 140884240), (95, 134952272), (98, 130821080), (104, 123273710), (112, 114468445), (130, 98618968), (133, 96394480), (140, 91574756), (152, 84345170), (182, 70442120), (190, 67476136), (196, 65410540), (208, 61636855), (245, 52328432), (247, 51904720), (260, 49309484), (266, 48197240), (280, 45787378), (304, 42172585), (364, 35221060), (380, 33738068), (392, 32705270), (455, 28176848), (490, 26164216), (494, 25952360), (520, 24654742), (532, 24098620), (560, 22893689), (637, 20126320), (665, 19278896), (728, 17610530), (760, 16869034), (784, 16352635), (910, 14088424), (931, 13770640), (980, 13082108), (988, 12976180), (1040, 12327371), (1064, 12049310), (1235, 10380944), (1274, 10063160), (1330, 9639448), (1456, 8805265), (1520, 8434517), (1729, 7414960), (1820, 7044212), (1862, 6885320), (1960, 6541054), (1976, 6488090), (2128, 6024655), (2470, 5190472), (2548, 5031580), (2660, 4819724), (3185, 4025264), (3458, 3707480), (3640, 3522106), (3724, 3442660), (3920, 3270527), (3952, 3244045), (4655, 2754128), (4940, 2595236), (5096, 2515790), (5320, 2409862), (6370, 2012632), (6916, 1853740), (7280, 1761053), (7448, 1721330), (8645, 1482992), (9310, 1377064), (9880, 1297618), (10192, 1257895), (10640, 1204931), (12103, 1059280), (12740, 1006316), (13241, 968240), (13832, 926870), (14896, 860665), (17290, 741496), (18620, 688532), (19760, 648809), (24206, 529640), (25480, 503158), (26482, 484120), (27664, 463435), (34580, 370748), (37240, 344266), (48412, 264820), (50960, 251579), (52964, 242060), (60515, 211856), (66205, 193648), (69160, 185374), (74480, 172133), (92687, 138320), (96824, 132410), (105928, 121030)]