48720555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 104509440

約数和(自身を除く): 55788885

約数列:

[1, 3, 5, 9, 13, 15, 17, 23, 27, 39, 45, 51, 65, 69, 71, 85, 115, 117, 135, 153, 195, 207, 213, 221, 255, 299, 345, 351, 355, 391, 459, 585, 621, 639, 663, 765, 897, 923, 1035, 1065, 1105, 1173, 1207, 1495, 1633, 1755, 1917, 1955, 1989, 2295, 2691, 2769, 3105, 3195, 3315, 3519, 3621, 4485, 4615, 4899, 5083, 5865, 5967, 6035, 8073, 8165, 8307, 9585, 9945, 10557, 10863, 13455, 13845, 14697, 15249, 15691, 17595, 18105, 21229, 24495, 24921, 25415, 27761, 29835, 32589, 40365, 41535, 44091, 45747, 47073, 52785, 54315, 63687, 73485, 76245, 78455, 83283, 106145, 124605, 137241, 138805, 141219, 162945, 191061, 220455, 228735, 235365, 249849, 318435, 360893, 416415, 423657, 573183, 686205, 706095, 749547, 955305, 1082679, 1249245, 1804465, 2118285, 2865915, 3248037, 3747735, 5413395, 9744111, 16240185, 48720555]

約数ペア:

[(1, 48720555), (3, 16240185), (5, 9744111), (9, 5413395), (13, 3747735), (15, 3248037), (17, 2865915), (23, 2118285), (27, 1804465), (39, 1249245), (45, 1082679), (51, 955305), (65, 749547), (69, 706095), (71, 686205), (85, 573183), (115, 423657), (117, 416415), (135, 360893), (153, 318435), (195, 249849), (207, 235365), (213, 228735), (221, 220455), (255, 191061), (299, 162945), (345, 141219), (351, 138805), (355, 137241), (391, 124605), (459, 106145), (585, 83283), (621, 78455), (639, 76245), (663, 73485), (765, 63687), (897, 54315), (923, 52785), (1035, 47073), (1065, 45747), (1105, 44091), (1173, 41535), (1207, 40365), (1495, 32589), (1633, 29835), (1755, 27761), (1917, 25415), (1955, 24921), (1989, 24495), (2295, 21229), (2691, 18105), (2769, 17595), (3105, 15691), (3195, 15249), (3315, 14697), (3519, 13845), (3621, 13455), (4485, 10863), (4615, 10557), (4899, 9945), (5083, 9585), (5865, 8307), (5967, 8165), (6035, 8073)]