38430080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 102816000

約数和(自身を除く): 64385920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 149, 155, 160, 208, 248, 260, 298, 310, 320, 403, 416, 496, 520, 596, 620, 640, 745, 806, 832, 992, 1040, 1192, 1240, 1490, 1612, 1664, 1937, 1984, 2015, 2080, 2384, 2480, 2980, 3224, 3874, 3968, 4030, 4160, 4619, 4768, 4960, 5960, 6448, 7748, 8060, 8320, 9238, 9536, 9685, 9920, 11920, 12896, 15496, 16120, 18476, 19072, 19370, 19840, 23095, 23840, 25792, 30992, 32240, 36952, 38740, 46190, 47680, 51584, 60047, 61984, 64480, 73904, 77480, 92380, 95360, 120094, 123968, 128960, 147808, 154960, 184760, 240188, 247936, 257920, 295616, 300235, 309920, 369520, 480376, 591232, 600470, 619840, 739040, 960752, 1200940, 1239680, 1478080, 1921504, 2401880, 2956160, 3843008, 4803760, 7686016, 9607520, 19215040, 38430080]

約数ペア:

[(1, 38430080), (2, 19215040), (4, 9607520), (5, 7686016), (8, 4803760), (10, 3843008), (13, 2956160), (16, 2401880), (20, 1921504), (26, 1478080), (31, 1239680), (32, 1200940), (40, 960752), (52, 739040), (62, 619840), (64, 600470), (65, 591232), (80, 480376), (104, 369520), (124, 309920), (128, 300235), (130, 295616), (149, 257920), (155, 247936), (160, 240188), (208, 184760), (248, 154960), (260, 147808), (298, 128960), (310, 123968), (320, 120094), (403, 95360), (416, 92380), (496, 77480), (520, 73904), (596, 64480), (620, 61984), (640, 60047), (745, 51584), (806, 47680), (832, 46190), (992, 38740), (1040, 36952), (1192, 32240), (1240, 30992), (1490, 25792), (1612, 23840), (1664, 23095), (1937, 19840), (1984, 19370), (2015, 19072), (2080, 18476), (2384, 16120), (2480, 15496), (2980, 12896), (3224, 11920), (3874, 9920), (3968, 9685), (4030, 9536), (4160, 9238), (4619, 8320), (4768, 8060), (4960, 7748), (5960, 6448)]