1218910440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:824

約数の個数: 192

約数和(自身を含む): 4057159680

約数和(自身を除く): 2838249240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 127, 132, 165, 220, 242, 254, 264, 330, 363, 381, 440, 484, 508, 605, 635, 660, 661, 726, 762, 968, 1016, 1210, 1270, 1320, 1322, 1397, 1452, 1524, 1815, 1905, 1983, 2420, 2540, 2644, 2794, 2904, 3048, 3305, 3630, 3810, 3966, 4191, 4840, 5080, 5288, 5588, 6610, 6985, 7260, 7271, 7620, 7932, 8382, 9915, 11176, 13220, 13970, 14520, 14542, 15240, 15367, 15864, 16764, 19830, 20955, 21813, 26440, 27940, 29084, 30734, 33528, 36355, 39660, 41910, 43626, 46101, 55880, 58168, 61468, 72710, 76835, 79320, 79981, 83820, 83947, 87252, 92202, 109065, 122936, 145420, 153670, 159962, 167640, 167894, 174504, 184404, 218130, 230505, 239943, 251841, 290840, 307340, 319924, 335788, 368808, 399905, 419735, 436260, 461010, 479886, 503682, 614680, 639848, 671576, 799810, 839470, 872520, 922020, 923417, 959772, 1007364, 1199715, 1259205, 1599620, 1678940, 1844040, 1846834, 1919544, 2014728, 2399430, 2518410, 2770251, 3199240, 3357880, 3693668, 4617085, 4798860, 5036820, 5540502, 7387336, 9234170, 9597720, 10073640, 10157587, 11081004, 13851255, 18468340, 20315174, 22162008, 27702510, 30472761, 36936680, 40630348, 50787935, 55405020, 60945522, 81260696, 101575870, 110810040, 121891044, 152363805, 203151740, 243782088, 304727610, 406303480, 609455220, 1218910440]

約数ペア:

[(1, 1218910440), (2, 609455220), (3, 406303480), (4, 304727610), (5, 243782088), (6, 203151740), (8, 152363805), (10, 121891044), (11, 110810040), (12, 101575870), (15, 81260696), (20, 60945522), (22, 55405020), (24, 50787935), (30, 40630348), (33, 36936680), (40, 30472761), (44, 27702510), (55, 22162008), (60, 20315174), (66, 18468340), (88, 13851255), (110, 11081004), (120, 10157587), (121, 10073640), (127, 9597720), (132, 9234170), (165, 7387336), (220, 5540502), (242, 5036820), (254, 4798860), (264, 4617085), (330, 3693668), (363, 3357880), (381, 3199240), (440, 2770251), (484, 2518410), (508, 2399430), (605, 2014728), (635, 1919544), (660, 1846834), (661, 1844040), (726, 1678940), (762, 1599620), (968, 1259205), (1016, 1199715), (1210, 1007364), (1270, 959772), (1320, 923417), (1322, 922020), (1397, 872520), (1452, 839470), (1524, 799810), (1815, 671576), (1905, 639848), (1983, 614680), (2420, 503682), (2540, 479886), (2644, 461010), (2794, 436260), (2904, 419735), (3048, 399905), (3305, 368808), (3630, 335788), (3810, 319924), (3966, 307340), (4191, 290840), (4840, 251841), (5080, 239943), (5288, 230505), (5588, 218130), (6610, 184404), (6985, 174504), (7260, 167894), (7271, 167640), (7620, 159962), (7932, 153670), (8382, 145420), (9915, 122936), (11176, 109065), (13220, 92202), (13970, 87252), (14520, 83947), (14542, 83820), (15240, 79981), (15367, 79320), (15864, 76835), (16764, 72710), (19830, 61468), (20955, 58168), (21813, 55880), (26440, 46101), (27940, 43626), (29084, 41910), (30734, 39660), (33528, 36355)]