1277489920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6199}}^1$

素因数の和:6250

約数の個数: 144

約数和(自身を含む): 3649766400

約数和(自身を除く): 2372276480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 2240, 2576, 2944, 3220, 3680, 4480, 5152, 5888, 6199, 6440, 7360, 8960, 10304, 12398, 12880, 14720, 20608, 24796, 25760, 29440, 30995, 41216, 43393, 49592, 51520, 61990, 86786, 99184, 103040, 123980, 142577, 173572, 198368, 206080, 216965, 247960, 285154, 347144, 396736, 433930, 495920, 570308, 694288, 712885, 793472, 867860, 991840, 998039, 1140616, 1388576, 1425770, 1586944, 1735720, 1983680, 1996078, 2281232, 2777152, 2851540, 3471440, 3967360, 3992156, 4562464, 4990195, 5554304, 5703080, 6942880, 7934720, 7984312, 9124928, 9980390, 11108608, 11406160, 13885760, 15968624, 18249856, 19960780, 22812320, 27771520, 31937248, 36499712, 39921560, 45624640, 55543040, 63874496, 79843120, 91249280, 127748992, 159686240, 182498560, 255497984, 319372480, 638744960, 1277489920]

約数ペア:

[(1, 1277489920), (2, 638744960), (4, 319372480), (5, 255497984), (7, 182498560), (8, 159686240), (10, 127748992), (14, 91249280), (16, 79843120), (20, 63874496), (23, 55543040), (28, 45624640), (32, 39921560), (35, 36499712), (40, 31937248), (46, 27771520), (56, 22812320), (64, 19960780), (70, 18249856), (80, 15968624), (92, 13885760), (112, 11406160), (115, 11108608), (128, 9980390), (140, 9124928), (160, 7984312), (161, 7934720), (184, 6942880), (224, 5703080), (230, 5554304), (256, 4990195), (280, 4562464), (320, 3992156), (322, 3967360), (368, 3471440), (448, 2851540), (460, 2777152), (560, 2281232), (640, 1996078), (644, 1983680), (736, 1735720), (805, 1586944), (896, 1425770), (920, 1388576), (1120, 1140616), (1280, 998039), (1288, 991840), (1472, 867860), (1610, 793472), (1792, 712885), (1840, 694288), (2240, 570308), (2576, 495920), (2944, 433930), (3220, 396736), (3680, 347144), (4480, 285154), (5152, 247960), (5888, 216965), (6199, 206080), (6440, 198368), (7360, 173572), (8960, 142577), (10304, 123980), (12398, 103040), (12880, 99184), (14720, 86786), (20608, 61990), (24796, 51520), (25760, 49592), (29440, 43393), (30995, 41216)]