661269840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3253}}^1$

素因数の和:3298

約数の個数: 240

約数和(自身を含む): 2575918464

約数和(自身を除く): 1914648624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 121, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 242, 264, 280, 308, 330, 336, 363, 385, 420, 440, 462, 484, 528, 560, 605, 616, 660, 726, 770, 840, 847, 880, 924, 968, 1155, 1210, 1232, 1320, 1452, 1540, 1680, 1694, 1815, 1848, 1936, 2310, 2420, 2541, 2640, 2904, 3080, 3253, 3388, 3630, 3696, 4235, 4620, 4840, 5082, 5808, 6160, 6506, 6776, 7260, 8470, 9240, 9680, 9759, 10164, 12705, 13012, 13552, 14520, 16265, 16940, 18480, 19518, 20328, 22771, 25410, 26024, 29040, 32530, 33880, 35783, 39036, 40656, 45542, 48795, 50820, 52048, 65060, 67760, 68313, 71566, 78072, 91084, 97590, 101640, 107349, 113855, 130120, 136626, 143132, 156144, 178915, 182168, 195180, 203280, 214698, 227710, 250481, 260240, 273252, 286264, 341565, 357830, 364336, 390360, 393613, 429396, 455420, 500962, 536745, 546504, 572528, 683130, 715660, 751443, 780720, 787226, 858792, 910840, 1001924, 1073490, 1093008, 1180839, 1252405, 1366260, 1431320, 1502886, 1574452, 1717584, 1821680, 1968065, 2003848, 2146980, 2361678, 2504810, 2732520, 2755291, 2862640, 3005772, 3148904, 3757215, 3936130, 4007696, 4293960, 4723356, 5009620, 5465040, 5510582, 5904195, 6011544, 6297808, 7514430, 7872260, 8265873, 8587920, 9446712, 10019240, 11021164, 11808390, 12023088, 13776455, 15028860, 15744520, 16531746, 18893424, 20038480, 22042328, 23616780, 27552910, 30057720, 31489040, 33063492, 41329365, 44084656, 47233560, 55105820, 60115440, 66126984, 82658730, 94467120, 110211640, 132253968, 165317460, 220423280, 330634920, 661269840]

約数ペア:

[(1, 661269840), (2, 330634920), (3, 220423280), (4, 165317460), (5, 132253968), (6, 110211640), (7, 94467120), (8, 82658730), (10, 66126984), (11, 60115440), (12, 55105820), (14, 47233560), (15, 44084656), (16, 41329365), (20, 33063492), (21, 31489040), (22, 30057720), (24, 27552910), (28, 23616780), (30, 22042328), (33, 20038480), (35, 18893424), (40, 16531746), (42, 15744520), (44, 15028860), (48, 13776455), (55, 12023088), (56, 11808390), (60, 11021164), (66, 10019240), (70, 9446712), (77, 8587920), (80, 8265873), (84, 7872260), (88, 7514430), (105, 6297808), (110, 6011544), (112, 5904195), (120, 5510582), (121, 5465040), (132, 5009620), (140, 4723356), (154, 4293960), (165, 4007696), (168, 3936130), (176, 3757215), (210, 3148904), (220, 3005772), (231, 2862640), (240, 2755291), (242, 2732520), (264, 2504810), (280, 2361678), (308, 2146980), (330, 2003848), (336, 1968065), (363, 1821680), (385, 1717584), (420, 1574452), (440, 1502886), (462, 1431320), (484, 1366260), (528, 1252405), (560, 1180839), (605, 1093008), (616, 1073490), (660, 1001924), (726, 910840), (770, 858792), (840, 787226), (847, 780720), (880, 751443), (924, 715660), (968, 683130), (1155, 572528), (1210, 546504), (1232, 536745), (1320, 500962), (1452, 455420), (1540, 429396), (1680, 393613), (1694, 390360), (1815, 364336), (1848, 357830), (1936, 341565), (2310, 286264), (2420, 273252), (2541, 260240), (2640, 250481), (2904, 227710), (3080, 214698), (3253, 203280), (3388, 195180), (3630, 182168), (3696, 178915), (4235, 156144), (4620, 143132), (4840, 136626), (5082, 130120), (5808, 113855), (6160, 107349), (6506, 101640), (6776, 97590), (7260, 91084), (8470, 78072), (9240, 71566), (9680, 68313), (9759, 67760), (10164, 65060), (12705, 52048), (13012, 50820), (13552, 48795), (14520, 45542), (16265, 40656), (16940, 39036), (18480, 35783), (19518, 33880), (20328, 32530), (22771, 29040), (25410, 26024)]