27775720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 51021080

約数列:

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

約数ペア:

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