261329040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2774

約数の個数: 240

約数和(自身を含む): 1056182400

約数和(自身を除く): 794853360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2729, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5458, 5985, 6384, 6840, 7980, 8187, 9576, 10640, 10916, 11970, 13645, 13680, 15960, 16374, 19103, 19152, 21832, 23940, 24561, 27290, 31920, 32748, 38206, 40935, 43664, 47880, 49122, 51851, 54580, 57309, 65496, 76412, 81870, 95515, 95760, 98244, 103702, 109160, 114618, 122805, 130992, 152824, 155553, 163740, 171927, 191030, 196488, 207404, 218320, 229236, 245610, 259255, 286545, 305648, 311106, 327480, 343854, 362957, 382060, 392976, 414808, 458472, 466659, 491220, 518510, 573090, 622212, 654960, 687708, 725914, 764120, 777765, 829616, 859635, 916944, 933318, 982440, 1037020, 1088871, 1146180, 1244424, 1375416, 1451828, 1528240, 1555530, 1719270, 1814785, 1866636, 1964880, 2074040, 2177742, 2292360, 2333295, 2488848, 2750832, 2903656, 3111060, 3266613, 3438540, 3629570, 3733272, 4148080, 4355484, 4584720, 4666590, 5444355, 5807312, 6222120, 6533226, 6877080, 7259140, 7466544, 8710968, 9333180, 10888710, 12444240, 13066452, 13754160, 14518280, 16333065, 17421936, 18666360, 21777420, 26132904, 29036560, 32666130, 37332720, 43554840, 52265808, 65332260, 87109680, 130664520, 261329040]

約数ペア:

[(1, 261329040), (2, 130664520), (3, 87109680), (4, 65332260), (5, 52265808), (6, 43554840), (7, 37332720), (8, 32666130), (9, 29036560), (10, 26132904), (12, 21777420), (14, 18666360), (15, 17421936), (16, 16333065), (18, 14518280), (19, 13754160), (20, 13066452), (21, 12444240), (24, 10888710), (28, 9333180), (30, 8710968), (35, 7466544), (36, 7259140), (38, 6877080), (40, 6533226), (42, 6222120), (45, 5807312), (48, 5444355), (56, 4666590), (57, 4584720), (60, 4355484), (63, 4148080), (70, 3733272), (72, 3629570), (76, 3438540), (80, 3266613), (84, 3111060), (90, 2903656), (95, 2750832), (105, 2488848), (112, 2333295), (114, 2292360), (120, 2177742), (126, 2074040), (133, 1964880), (140, 1866636), (144, 1814785), (152, 1719270), (168, 1555530), (171, 1528240), (180, 1451828), (190, 1375416), (210, 1244424), (228, 1146180), (240, 1088871), (252, 1037020), (266, 982440), (280, 933318), (285, 916944), (304, 859635), (315, 829616), (336, 777765), (342, 764120), (360, 725914), (380, 687708), (399, 654960), (420, 622212), (456, 573090), (504, 518510), (532, 491220), (560, 466659), (570, 458472), (630, 414808), (665, 392976), (684, 382060), (720, 362957), (760, 343854), (798, 327480), (840, 311106), (855, 305648), (912, 286545), (1008, 259255), (1064, 245610), (1140, 229236), (1197, 218320), (1260, 207404), (1330, 196488), (1368, 191030), (1520, 171927), (1596, 163740), (1680, 155553), (1710, 152824), (1995, 130992), (2128, 122805), (2280, 114618), (2394, 109160), (2520, 103702), (2660, 98244), (2729, 95760), (2736, 95515), (3192, 81870), (3420, 76412), (3990, 65496), (4560, 57309), (4788, 54580), (5040, 51851), (5320, 49122), (5458, 47880), (5985, 43664), (6384, 40935), (6840, 38206), (7980, 32748), (8187, 31920), (9576, 27290), (10640, 24561), (10916, 23940), (11970, 21832), (13645, 19152), (13680, 19103), (15960, 16374)]