55551440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 160

約数和(自身を含む): 162846720

約数和(自身を除く): 107295280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 161, 184, 190, 227, 230, 266, 280, 304, 322, 368, 380, 437, 454, 460, 532, 560, 644, 665, 760, 805, 874, 908, 920, 1064, 1135, 1288, 1330, 1520, 1589, 1610, 1748, 1816, 1840, 2128, 2185, 2270, 2576, 2660, 3059, 3178, 3220, 3496, 3632, 4313, 4370, 4540, 5221, 5320, 6118, 6356, 6440, 6992, 7945, 8626, 8740, 9080, 10442, 10640, 12236, 12712, 12880, 15295, 15890, 17252, 17480, 18160, 20884, 21565, 24472, 25424, 26105, 30191, 30590, 31780, 34504, 34960, 36547, 41768, 43130, 48944, 52210, 60382, 61180, 63560, 69008, 73094, 83536, 86260, 99199, 104420, 120764, 122360, 127120, 146188, 150955, 172520, 182735, 198398, 208840, 241528, 244720, 292376, 301910, 345040, 365470, 396796, 417680, 483056, 495995, 584752, 603820, 694393, 730940, 793592, 991990, 1207640, 1388786, 1461880, 1587184, 1983980, 2415280, 2777572, 2923760, 3471965, 3967960, 5555144, 6943930, 7935920, 11110288, 13887860, 27775720, 55551440]

約数ペア:

[(1, 55551440), (2, 27775720), (4, 13887860), (5, 11110288), (7, 7935920), (8, 6943930), (10, 5555144), (14, 3967960), (16, 3471965), (19, 2923760), (20, 2777572), (23, 2415280), (28, 1983980), (35, 1587184), (38, 1461880), (40, 1388786), (46, 1207640), (56, 991990), (70, 793592), (76, 730940), (80, 694393), (92, 603820), (95, 584752), (112, 495995), (115, 483056), (133, 417680), (140, 396796), (152, 365470), (161, 345040), (184, 301910), (190, 292376), (227, 244720), (230, 241528), (266, 208840), (280, 198398), (304, 182735), (322, 172520), (368, 150955), (380, 146188), (437, 127120), (454, 122360), (460, 120764), (532, 104420), (560, 99199), (644, 86260), (665, 83536), (760, 73094), (805, 69008), (874, 63560), (908, 61180), (920, 60382), (1064, 52210), (1135, 48944), (1288, 43130), (1330, 41768), (1520, 36547), (1589, 34960), (1610, 34504), (1748, 31780), (1816, 30590), (1840, 30191), (2128, 26105), (2185, 25424), (2270, 24472), (2576, 21565), (2660, 20884), (3059, 18160), (3178, 17480), (3220, 17252), (3496, 15890), (3632, 15295), (4313, 12880), (4370, 12712), (4540, 12236), (5221, 10640), (5320, 10442), (6118, 9080), (6356, 8740), (6440, 8626), (6992, 7945)]