84123480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 256

約数和(自身を含む): 314772480

約数和(自身を除く): 230649000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 43, 51, 56, 60, 68, 70, 84, 85, 86, 102, 105, 119, 120, 129, 136, 137, 140, 168, 170, 172, 204, 210, 215, 238, 255, 258, 274, 280, 301, 340, 344, 357, 408, 411, 420, 430, 476, 510, 516, 548, 595, 602, 645, 680, 685, 714, 731, 822, 840, 860, 903, 952, 959, 1020, 1032, 1096, 1190, 1204, 1290, 1370, 1428, 1462, 1505, 1644, 1720, 1785, 1806, 1918, 2040, 2055, 2193, 2329, 2380, 2408, 2580, 2740, 2856, 2877, 2924, 3010, 3288, 3570, 3612, 3655, 3836, 4110, 4386, 4515, 4658, 4760, 4795, 5117, 5160, 5480, 5754, 5848, 5891, 6020, 6987, 7140, 7224, 7310, 7672, 8220, 8772, 9030, 9316, 9590, 10234, 10965, 11508, 11645, 11782, 12040, 13974, 14280, 14385, 14620, 15351, 16303, 16440, 17544, 17673, 18060, 18632, 19180, 20468, 21930, 23016, 23290, 23564, 25585, 27948, 28770, 29240, 29455, 30702, 32606, 34935, 35346, 36120, 38360, 40936, 41237, 43860, 46580, 47128, 48909, 51170, 55896, 57540, 58910, 61404, 65212, 69870, 70692, 76755, 81515, 82474, 87720, 88365, 93160, 97818, 100147, 102340, 115080, 117820, 122808, 123711, 130424, 139740, 141384, 153510, 163030, 164948, 176730, 195636, 200294, 204680, 206185, 235640, 244545, 247422, 279480, 300441, 307020, 326060, 329896, 353460, 391272, 400588, 412370, 489090, 494844, 500735, 600882, 614040, 618555, 652120, 701029, 706920, 801176, 824740, 978180, 989688, 1001470, 1201764, 1237110, 1402058, 1502205, 1649480, 1956360, 2002940, 2103087, 2403528, 2474220, 2804116, 3004410, 3505145, 4005880, 4206174, 4948440, 5608232, 6008820, 7010290, 8412348, 10515435, 12017640, 14020580, 16824696, 21030870, 28041160, 42061740, 84123480]

約数ペア:

[(1, 84123480), (2, 42061740), (3, 28041160), (4, 21030870), (5, 16824696), (6, 14020580), (7, 12017640), (8, 10515435), (10, 8412348), (12, 7010290), (14, 6008820), (15, 5608232), (17, 4948440), (20, 4206174), (21, 4005880), (24, 3505145), (28, 3004410), (30, 2804116), (34, 2474220), (35, 2403528), (40, 2103087), (42, 2002940), (43, 1956360), (51, 1649480), (56, 1502205), (60, 1402058), (68, 1237110), (70, 1201764), (84, 1001470), (85, 989688), (86, 978180), (102, 824740), (105, 801176), (119, 706920), (120, 701029), (129, 652120), (136, 618555), (137, 614040), (140, 600882), (168, 500735), (170, 494844), (172, 489090), (204, 412370), (210, 400588), (215, 391272), (238, 353460), (255, 329896), (258, 326060), (274, 307020), (280, 300441), (301, 279480), (340, 247422), (344, 244545), (357, 235640), (408, 206185), (411, 204680), (420, 200294), (430, 195636), (476, 176730), (510, 164948), (516, 163030), (548, 153510), (595, 141384), (602, 139740), (645, 130424), (680, 123711), (685, 122808), (714, 117820), (731, 115080), (822, 102340), (840, 100147), (860, 97818), (903, 93160), (952, 88365), (959, 87720), (1020, 82474), (1032, 81515), (1096, 76755), (1190, 70692), (1204, 69870), (1290, 65212), (1370, 61404), (1428, 58910), (1462, 57540), (1505, 55896), (1644, 51170), (1720, 48909), (1785, 47128), (1806, 46580), (1918, 43860), (2040, 41237), (2055, 40936), (2193, 38360), (2329, 36120), (2380, 35346), (2408, 34935), (2580, 32606), (2740, 30702), (2856, 29455), (2877, 29240), (2924, 28770), (3010, 27948), (3288, 25585), (3570, 23564), (3612, 23290), (3655, 23016), (3836, 21930), (4110, 20468), (4386, 19180), (4515, 18632), (4658, 18060), (4760, 17673), (4795, 17544), (5117, 16440), (5160, 16303), (5480, 15351), (5754, 14620), (5848, 14385), (5891, 14280), (6020, 13974), (6987, 12040), (7140, 11782), (7224, 11645), (7310, 11508), (7672, 10965), (8220, 10234), (8772, 9590), (9030, 9316)]