78490530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 227456424

約数和(自身を除く): 148965894

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 61, 85, 87, 90, 102, 122, 145, 153, 170, 174, 183, 255, 261, 290, 305, 306, 366, 435, 493, 510, 522, 549, 610, 765, 841, 870, 915, 986, 1037, 1098, 1305, 1479, 1530, 1682, 1769, 1830, 2074, 2465, 2523, 2610, 2745, 2958, 3111, 3538, 4205, 4437, 4930, 5046, 5185, 5307, 5490, 6222, 7395, 7569, 8410, 8845, 8874, 9333, 10370, 10614, 12615, 14297, 14790, 15138, 15555, 15921, 17690, 18666, 22185, 25230, 26535, 28594, 30073, 31110, 31842, 37845, 42891, 44370, 46665, 51301, 53070, 60146, 71485, 75690, 79605, 85782, 90219, 93330, 102602, 128673, 142970, 150365, 153903, 159210, 180438, 214455, 256505, 257346, 270657, 300730, 307806, 428910, 451095, 461709, 513010, 541314, 643365, 769515, 872117, 902190, 923418, 1286730, 1353285, 1539030, 1744234, 2308545, 2616351, 2706570, 4360585, 4617090, 5232702, 7849053, 8721170, 13081755, 15698106, 26163510, 39245265, 78490530]

約数ペア:

[(1, 78490530), (2, 39245265), (3, 26163510), (5, 15698106), (6, 13081755), (9, 8721170), (10, 7849053), (15, 5232702), (17, 4617090), (18, 4360585), (29, 2706570), (30, 2616351), (34, 2308545), (45, 1744234), (51, 1539030), (58, 1353285), (61, 1286730), (85, 923418), (87, 902190), (90, 872117), (102, 769515), (122, 643365), (145, 541314), (153, 513010), (170, 461709), (174, 451095), (183, 428910), (255, 307806), (261, 300730), (290, 270657), (305, 257346), (306, 256505), (366, 214455), (435, 180438), (493, 159210), (510, 153903), (522, 150365), (549, 142970), (610, 128673), (765, 102602), (841, 93330), (870, 90219), (915, 85782), (986, 79605), (1037, 75690), (1098, 71485), (1305, 60146), (1479, 53070), (1530, 51301), (1682, 46665), (1769, 44370), (1830, 42891), (2074, 37845), (2465, 31842), (2523, 31110), (2610, 30073), (2745, 28594), (2958, 26535), (3111, 25230), (3538, 22185), (4205, 18666), (4437, 17690), (4930, 15921), (5046, 15555), (5185, 15138), (5307, 14790), (5490, 14297), (6222, 12615), (7395, 10614), (7569, 10370), (8410, 9333), (8845, 8874)]