254647120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:322

約数の個数: 240

約数和(自身を含む): 783699840

約数和(自身を除く): 529052720

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, 263, 266, 280, 304, 364, 380, 392, 455, 490, 494, 520, 526, 532, 560, 637, 665, 728, 760, 784, 910, 931, 980, 988, 1040, 1052, 1064, 1235, 1274, 1315, 1330, 1456, 1520, 1729, 1820, 1841, 1862, 1960, 1976, 2104, 2128, 2470, 2548, 2630, 2660, 3185, 3419, 3458, 3640, 3682, 3724, 3920, 3952, 4208, 4655, 4940, 4997, 5096, 5260, 5320, 6370, 6838, 6916, 7280, 7364, 7448, 8645, 9205, 9310, 9880, 9994, 10192, 10520, 10640, 12103, 12740, 12887, 13676, 13832, 14728, 14896, 17095, 17290, 18410, 18620, 19760, 19988, 21040, 23933, 24206, 24985, 25480, 25774, 27352, 27664, 29456, 34190, 34580, 34979, 36820, 37240, 39976, 47866, 48412, 49970, 50960, 51548, 54704, 60515, 64435, 64961, 68380, 69160, 69958, 73640, 74480, 79952, 95732, 96824, 99940, 103096, 119665, 121030, 128870, 129922, 136760, 138320, 139916, 147280, 167531, 174895, 191464, 193648, 199880, 206192, 239330, 242060, 244853, 257740, 259844, 273520, 279832, 324805, 335062, 349790, 382928, 399760, 454727, 478660, 484120, 489706, 515480, 519688, 559664, 649610, 670124, 699580, 837655, 909454, 957320, 968240, 979412, 1030960, 1039376, 1224265, 1299220, 1340248, 1399160, 1675310, 1818908, 1914640, 1958824, 2273635, 2448530, 2598440, 2680496, 2798320, 3183089, 3350620, 3637816, 3917648, 4547270, 4897060, 5196880, 6366178, 6701240, 7275632, 9094540, 9794120, 12732356, 13402480, 15915445, 18189080, 19588240, 25464712, 31830890, 36378160, 50929424, 63661780, 127323560, 254647120]

約数ペア:

[(1, 254647120), (2, 127323560), (4, 63661780), (5, 50929424), (7, 36378160), (8, 31830890), (10, 25464712), (13, 19588240), (14, 18189080), (16, 15915445), (19, 13402480), (20, 12732356), (26, 9794120), (28, 9094540), (35, 7275632), (38, 6701240), (40, 6366178), (49, 5196880), (52, 4897060), (56, 4547270), (65, 3917648), (70, 3637816), (76, 3350620), (80, 3183089), (91, 2798320), (95, 2680496), (98, 2598440), (104, 2448530), (112, 2273635), (130, 1958824), (133, 1914640), (140, 1818908), (152, 1675310), (182, 1399160), (190, 1340248), (196, 1299220), (208, 1224265), (245, 1039376), (247, 1030960), (260, 979412), (263, 968240), (266, 957320), (280, 909454), (304, 837655), (364, 699580), (380, 670124), (392, 649610), (455, 559664), (490, 519688), (494, 515480), (520, 489706), (526, 484120), (532, 478660), (560, 454727), (637, 399760), (665, 382928), (728, 349790), (760, 335062), (784, 324805), (910, 279832), (931, 273520), (980, 259844), (988, 257740), (1040, 244853), (1052, 242060), (1064, 239330), (1235, 206192), (1274, 199880), (1315, 193648), (1330, 191464), (1456, 174895), (1520, 167531), (1729, 147280), (1820, 139916), (1841, 138320), (1862, 136760), (1960, 129922), (1976, 128870), (2104, 121030), (2128, 119665), (2470, 103096), (2548, 99940), (2630, 96824), (2660, 95732), (3185, 79952), (3419, 74480), (3458, 73640), (3640, 69958), (3682, 69160), (3724, 68380), (3920, 64961), (3952, 64435), (4208, 60515), (4655, 54704), (4940, 51548), (4997, 50960), (5096, 49970), (5260, 48412), (5320, 47866), (6370, 39976), (6838, 37240), (6916, 36820), (7280, 34979), (7364, 34580), (7448, 34190), (8645, 29456), (9205, 27664), (9310, 27352), (9880, 25774), (9994, 25480), (10192, 24985), (10520, 24206), (10640, 23933), (12103, 21040), (12740, 19988), (12887, 19760), (13676, 18620), (13832, 18410), (14728, 17290), (14896, 17095)]