290487120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1429}}^1$

素因数の和:1474

約数の個数: 240

約数和(自身を含む): 1132010880

約数和(自身を除く): 841523760

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, 1429, 1452, 1540, 1680, 1694, 1815, 1848, 1936, 2310, 2420, 2541, 2640, 2858, 2904, 3080, 3388, 3630, 3696, 4235, 4287, 4620, 4840, 5082, 5716, 5808, 6160, 6776, 7145, 7260, 8470, 8574, 9240, 9680, 10003, 10164, 11432, 12705, 13552, 14290, 14520, 15719, 16940, 17148, 18480, 20006, 20328, 21435, 22864, 25410, 28580, 29040, 30009, 31438, 33880, 34296, 40012, 40656, 42870, 47157, 50015, 50820, 57160, 60018, 62876, 67760, 68592, 78595, 80024, 85740, 94314, 100030, 101640, 110033, 114320, 120036, 125752, 150045, 157190, 160048, 171480, 172909, 188628, 200060, 203280, 220066, 235785, 240072, 251504, 300090, 314380, 330099, 342960, 345818, 377256, 400120, 440132, 471570, 480144, 518727, 550165, 600180, 628760, 660198, 691636, 754512, 800240, 864545, 880264, 943140, 1037454, 1100330, 1200360, 1210363, 1257520, 1320396, 1383272, 1650495, 1729090, 1760528, 1886280, 2074908, 2200660, 2400720, 2420726, 2593635, 2640792, 2766544, 3300990, 3458180, 3631089, 3772560, 4149816, 4401320, 4841452, 5187270, 5281584, 6051815, 6601980, 6916360, 7262178, 8299632, 8802640, 9682904, 10374540, 12103630, 13203960, 13832720, 14524356, 18155445, 19365808, 20749080, 24207260, 26407920, 29048712, 36310890, 41498160, 48414520, 58097424, 72621780, 96829040, 145243560, 290487120]

約数ペア:

[(1, 290487120), (2, 145243560), (3, 96829040), (4, 72621780), (5, 58097424), (6, 48414520), (7, 41498160), (8, 36310890), (10, 29048712), (11, 26407920), (12, 24207260), (14, 20749080), (15, 19365808), (16, 18155445), (20, 14524356), (21, 13832720), (22, 13203960), (24, 12103630), (28, 10374540), (30, 9682904), (33, 8802640), (35, 8299632), (40, 7262178), (42, 6916360), (44, 6601980), (48, 6051815), (55, 5281584), (56, 5187270), (60, 4841452), (66, 4401320), (70, 4149816), (77, 3772560), (80, 3631089), (84, 3458180), (88, 3300990), (105, 2766544), (110, 2640792), (112, 2593635), (120, 2420726), (121, 2400720), (132, 2200660), (140, 2074908), (154, 1886280), (165, 1760528), (168, 1729090), (176, 1650495), (210, 1383272), (220, 1320396), (231, 1257520), (240, 1210363), (242, 1200360), (264, 1100330), (280, 1037454), (308, 943140), (330, 880264), (336, 864545), (363, 800240), (385, 754512), (420, 691636), (440, 660198), (462, 628760), (484, 600180), (528, 550165), (560, 518727), (605, 480144), (616, 471570), (660, 440132), (726, 400120), (770, 377256), (840, 345818), (847, 342960), (880, 330099), (924, 314380), (968, 300090), (1155, 251504), (1210, 240072), (1232, 235785), (1320, 220066), (1429, 203280), (1452, 200060), (1540, 188628), (1680, 172909), (1694, 171480), (1815, 160048), (1848, 157190), (1936, 150045), (2310, 125752), (2420, 120036), (2541, 114320), (2640, 110033), (2858, 101640), (2904, 100030), (3080, 94314), (3388, 85740), (3630, 80024), (3696, 78595), (4235, 68592), (4287, 67760), (4620, 62876), (4840, 60018), (5082, 57160), (5716, 50820), (5808, 50015), (6160, 47157), (6776, 42870), (7145, 40656), (7260, 40012), (8470, 34296), (8574, 33880), (9240, 31438), (9680, 30009), (10003, 29040), (10164, 28580), (11432, 25410), (12705, 22864), (13552, 21435), (14290, 20328), (14520, 20006), (15719, 18480), (16940, 17148)]