71354280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 128

約数和(自身を含む): 226437120

約数和(自身を除く): 155082840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 103, 115, 120, 138, 184, 206, 230, 251, 276, 309, 345, 412, 460, 502, 515, 552, 618, 690, 753, 824, 920, 1004, 1030, 1236, 1255, 1380, 1506, 1545, 2008, 2060, 2369, 2472, 2510, 2760, 3012, 3090, 3765, 4120, 4738, 5020, 5773, 6024, 6180, 7107, 7530, 9476, 10040, 11546, 11845, 12360, 14214, 15060, 17319, 18952, 23092, 23690, 25853, 28428, 28865, 30120, 34638, 35535, 46184, 47380, 51706, 56856, 57730, 69276, 71070, 77559, 86595, 94760, 103412, 115460, 129265, 138552, 142140, 155118, 173190, 206824, 230920, 258530, 284280, 310236, 346380, 387795, 517060, 594619, 620472, 692760, 775590, 1034120, 1189238, 1551180, 1783857, 2378476, 2973095, 3102360, 3567714, 4756952, 5946190, 7135428, 8919285, 11892380, 14270856, 17838570, 23784760, 35677140, 71354280]

約数ペア:

[(1, 71354280), (2, 35677140), (3, 23784760), (4, 17838570), (5, 14270856), (6, 11892380), (8, 8919285), (10, 7135428), (12, 5946190), (15, 4756952), (20, 3567714), (23, 3102360), (24, 2973095), (30, 2378476), (40, 1783857), (46, 1551180), (60, 1189238), (69, 1034120), (92, 775590), (103, 692760), (115, 620472), (120, 594619), (138, 517060), (184, 387795), (206, 346380), (230, 310236), (251, 284280), (276, 258530), (309, 230920), (345, 206824), (412, 173190), (460, 155118), (502, 142140), (515, 138552), (552, 129265), (618, 115460), (690, 103412), (753, 94760), (824, 86595), (920, 77559), (1004, 71070), (1030, 69276), (1236, 57730), (1255, 56856), (1380, 51706), (1506, 47380), (1545, 46184), (2008, 35535), (2060, 34638), (2369, 30120), (2472, 28865), (2510, 28428), (2760, 25853), (3012, 23690), (3090, 23092), (3765, 18952), (4120, 17319), (4738, 15060), (5020, 14214), (5773, 12360), (6024, 11845), (6180, 11546), (7107, 10040), (7530, 9476)]