8820808020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:619

約数の個数: 288

約数和(自身を含む): 29148825888

約数和(自身を除く): 20328017868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 53, 60, 68, 85, 90, 102, 106, 137, 153, 159, 170, 180, 204, 212, 255, 265, 274, 306, 318, 340, 397, 411, 477, 510, 530, 548, 612, 636, 685, 765, 794, 795, 822, 901, 954, 1020, 1060, 1191, 1233, 1370, 1530, 1588, 1590, 1644, 1802, 1908, 1985, 2055, 2329, 2382, 2385, 2466, 2703, 2740, 3060, 3180, 3573, 3604, 3970, 4110, 4505, 4658, 4764, 4770, 4932, 5406, 5955, 6165, 6749, 6987, 7146, 7261, 7940, 8109, 8220, 9010, 9316, 9540, 10812, 11645, 11910, 12330, 13498, 13515, 13974, 14292, 14522, 16218, 17865, 18020, 20247, 20961, 21041, 21783, 23290, 23820, 24660, 26996, 27030, 27948, 29044, 32436, 33745, 34935, 35730, 36305, 40494, 40545, 41922, 42082, 43566, 46580, 54060, 54389, 60741, 63123, 65349, 67490, 69870, 71460, 72610, 80988, 81090, 83844, 84164, 87132, 101235, 104805, 105205, 108778, 108915, 121482, 123437, 126246, 130698, 134980, 139740, 145220, 162180, 163167, 189369, 202470, 209610, 210410, 217556, 217830, 242964, 246874, 252492, 261396, 271945, 303705, 315615, 326334, 326745, 357697, 370311, 378738, 404940, 419220, 420820, 435660, 489501, 493748, 543890, 607410, 617185, 631230, 652668, 653490, 715394, 740622, 757476, 815835, 924613, 946845, 979002, 1073091, 1087780, 1110933, 1214820, 1234370, 1262460, 1306980, 1430788, 1481244, 1631670, 1788485, 1849226, 1851555, 1893690, 1958004, 2146182, 2221866, 2447505, 2468740, 2773839, 2882617, 3219273, 3263340, 3576970, 3698452, 3703110, 3787380, 4292364, 4443732, 4623065, 4895010, 5365455, 5547678, 5554665, 5765234, 6438546, 7153940, 7406220, 8321517, 8647851, 9246130, 9790020, 10730910, 11095356, 11109330, 11530468, 12877092, 13869195, 14413085, 16096365, 16643034, 17295702, 18492260, 21461820, 22218660, 25943553, 27738390, 28826170, 32192730, 33286068, 34591404, 41607585, 43239255, 49004489, 51887106, 55476780, 57652340, 64385460, 83215170, 86478510, 98008978, 103774212, 129717765, 147013467, 166430340, 172957020, 196017956, 245022445, 259435530, 294026934, 441040401, 490044890, 518871060, 588053868, 735067335, 882080802, 980089780, 1470134670, 1764161604, 2205202005, 2940269340, 4410404010, 8820808020]

約数ペア:

[(1, 8820808020), (2, 4410404010), (3, 2940269340), (4, 2205202005), (5, 1764161604), (6, 1470134670), (9, 980089780), (10, 882080802), (12, 735067335), (15, 588053868), (17, 518871060), (18, 490044890), (20, 441040401), (30, 294026934), (34, 259435530), (36, 245022445), (45, 196017956), (51, 172957020), (53, 166430340), (60, 147013467), (68, 129717765), (85, 103774212), (90, 98008978), (102, 86478510), (106, 83215170), (137, 64385460), (153, 57652340), (159, 55476780), (170, 51887106), (180, 49004489), (204, 43239255), (212, 41607585), (255, 34591404), (265, 33286068), (274, 32192730), (306, 28826170), (318, 27738390), (340, 25943553), (397, 22218660), (411, 21461820), (477, 18492260), (510, 17295702), (530, 16643034), (548, 16096365), (612, 14413085), (636, 13869195), (685, 12877092), (765, 11530468), (794, 11109330), (795, 11095356), (822, 10730910), (901, 9790020), (954, 9246130), (1020, 8647851), (1060, 8321517), (1191, 7406220), (1233, 7153940), (1370, 6438546), (1530, 5765234), (1588, 5554665), (1590, 5547678), (1644, 5365455), (1802, 4895010), (1908, 4623065), (1985, 4443732), (2055, 4292364), (2329, 3787380), (2382, 3703110), (2385, 3698452), (2466, 3576970), (2703, 3263340), (2740, 3219273), (3060, 2882617), (3180, 2773839), (3573, 2468740), (3604, 2447505), (3970, 2221866), (4110, 2146182), (4505, 1958004), (4658, 1893690), (4764, 1851555), (4770, 1849226), (4932, 1788485), (5406, 1631670), (5955, 1481244), (6165, 1430788), (6749, 1306980), (6987, 1262460), (7146, 1234370), (7261, 1214820), (7940, 1110933), (8109, 1087780), (8220, 1073091), (9010, 979002), (9316, 946845), (9540, 924613), (10812, 815835), (11645, 757476), (11910, 740622), (12330, 715394), (13498, 653490), (13515, 652668), (13974, 631230), (14292, 617185), (14522, 607410), (16218, 543890), (17865, 493748), (18020, 489501), (20247, 435660), (20961, 420820), (21041, 419220), (21783, 404940), (23290, 378738), (23820, 370311), (24660, 357697), (26996, 326745), (27030, 326334), (27948, 315615), (29044, 303705), (32436, 271945), (33745, 261396), (34935, 252492), (35730, 246874), (36305, 242964), (40494, 217830), (40545, 217556), (41922, 210410), (42082, 209610), (43566, 202470), (46580, 189369), (54060, 163167), (54389, 162180), (60741, 145220), (63123, 139740), (65349, 134980), (67490, 130698), (69870, 126246), (71460, 123437), (72610, 121482), (80988, 108915), (81090, 108778), (83844, 105205), (84164, 104805), (87132, 101235)]