661934160

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:295

約数の個数: 240

約数和(自身を含む): 2419041600

約数和(自身を除く): 1757107440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 127, 135, 144, 152, 171, 180, 190, 216, 228, 240, 254, 270, 285, 304, 342, 360, 380, 381, 432, 456, 508, 513, 540, 570, 635, 684, 720, 760, 762, 855, 912, 1016, 1026, 1080, 1140, 1143, 1270, 1368, 1520, 1524, 1710, 1905, 2032, 2052, 2160, 2280, 2286, 2413, 2540, 2565, 2736, 3048, 3420, 3429, 3810, 4104, 4560, 4572, 4826, 5080, 5130, 5715, 6096, 6840, 6858, 7239, 7620, 8208, 9144, 9652, 10160, 10260, 11430, 12065, 13680, 13716, 14478, 15240, 16129, 17145, 18288, 19304, 20520, 21717, 22860, 24130, 27432, 28956, 30480, 32258, 34290, 36195, 38608, 41040, 43434, 45720, 48260, 48387, 54864, 57912, 64516, 65151, 68580, 72390, 80645, 86868, 91440, 96520, 96774, 108585, 115824, 129032, 130302, 137160, 144780, 145161, 161290, 173736, 193040, 193548, 217170, 241935, 258064, 260604, 274320, 289560, 290322, 306451, 322580, 325755, 347472, 387096, 434340, 435483, 483870, 521208, 579120, 580644, 612902, 645160, 651510, 725805, 774192, 868680, 870966, 919353, 967740, 1042416, 1161288, 1225804, 1290320, 1303020, 1451610, 1532255, 1737360, 1741932, 1838706, 1935480, 2177415, 2322576, 2451608, 2606040, 2758059, 2903220, 3064510, 3483864, 3677412, 3870960, 4354830, 4596765, 4903216, 5212080, 5516118, 5806440, 6129020, 6967728, 7354824, 8274177, 8709660, 9193530, 11032236, 11612880, 12258040, 13790295, 14709648, 16548354, 17419320, 18387060, 22064472, 24516080, 27580590, 33096708, 34838640, 36774120, 41370885, 44128944, 55161180, 66193416, 73548240, 82741770, 110322360, 132386832, 165483540, 220644720, 330967080, 661934160]

約数ペア:

[(1, 661934160), (2, 330967080), (3, 220644720), (4, 165483540), (5, 132386832), (6, 110322360), (8, 82741770), (9, 73548240), (10, 66193416), (12, 55161180), (15, 44128944), (16, 41370885), (18, 36774120), (19, 34838640), (20, 33096708), (24, 27580590), (27, 24516080), (30, 22064472), (36, 18387060), (38, 17419320), (40, 16548354), (45, 14709648), (48, 13790295), (54, 12258040), (57, 11612880), (60, 11032236), (72, 9193530), (76, 8709660), (80, 8274177), (90, 7354824), (95, 6967728), (108, 6129020), (114, 5806440), (120, 5516118), (127, 5212080), (135, 4903216), (144, 4596765), (152, 4354830), (171, 3870960), (180, 3677412), (190, 3483864), (216, 3064510), (228, 2903220), (240, 2758059), (254, 2606040), (270, 2451608), (285, 2322576), (304, 2177415), (342, 1935480), (360, 1838706), (380, 1741932), (381, 1737360), (432, 1532255), (456, 1451610), (508, 1303020), (513, 1290320), (540, 1225804), (570, 1161288), (635, 1042416), (684, 967740), (720, 919353), (760, 870966), (762, 868680), (855, 774192), (912, 725805), (1016, 651510), (1026, 645160), (1080, 612902), (1140, 580644), (1143, 579120), (1270, 521208), (1368, 483870), (1520, 435483), (1524, 434340), (1710, 387096), (1905, 347472), (2032, 325755), (2052, 322580), (2160, 306451), (2280, 290322), (2286, 289560), (2413, 274320), (2540, 260604), (2565, 258064), (2736, 241935), (3048, 217170), (3420, 193548), (3429, 193040), (3810, 173736), (4104, 161290), (4560, 145161), (4572, 144780), (4826, 137160), (5080, 130302), (5130, 129032), (5715, 115824), (6096, 108585), (6840, 96774), (6858, 96520), (7239, 91440), (7620, 86868), (8208, 80645), (9144, 72390), (9652, 68580), (10160, 65151), (10260, 64516), (11430, 57912), (12065, 54864), (13680, 48387), (13716, 48260), (14478, 45720), (15240, 43434), (16129, 41040), (17145, 38608), (18288, 36195), (19304, 34290), (20520, 32258), (21717, 30480), (22860, 28956), (24130, 27432)]