20581220880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{866213}}^1$

素因数の和:866246

約数の個数: 160

約数和(自身を含む): 77335585920

約数和(自身を除く): 56754365040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1188, 1320, 1485, 1584, 1980, 2160, 2376, 2640, 2970, 3960, 4752, 5940, 7920, 11880, 23760, 866213, 1732426, 2598639, 3464852, 4331065, 5197278, 6929704, 7795917, 8662130, 9528343, 10394556, 12993195, 13859408, 15591834, 17324260, 19056686, 20789112, 23387751, 25986390, 28585029, 31183668, 34648520, 38113372, 38979585, 41578224, 46775502, 47641715, 51972780, 57170058, 62367336, 69297040, 76226744, 77959170, 85755087, 93551004, 95283430, 103945560, 114340116, 116938755, 124734672, 142925145, 152453488, 155918340, 171510174, 187102008, 190566860, 207891120, 228680232, 233877510, 257265261, 285850290, 311836680, 343020348, 374204016, 381133720, 428775435, 457360464, 467755020, 514530522, 571700580, 623673360, 686040696, 762267440, 857550870, 935510040, 1029061044, 1143401160, 1286326305, 1372081392, 1715101740, 1871020080, 2058122088, 2286802320, 2572652610, 3430203480, 4116244176, 5145305220, 6860406960, 10290610440, 20581220880]

約数ペア:

[(1, 20581220880), (2, 10290610440), (3, 6860406960), (4, 5145305220), (5, 4116244176), (6, 3430203480), (8, 2572652610), (9, 2286802320), (10, 2058122088), (11, 1871020080), (12, 1715101740), (15, 1372081392), (16, 1286326305), (18, 1143401160), (20, 1029061044), (22, 935510040), (24, 857550870), (27, 762267440), (30, 686040696), (33, 623673360), (36, 571700580), (40, 514530522), (44, 467755020), (45, 457360464), (48, 428775435), (54, 381133720), (55, 374204016), (60, 343020348), (66, 311836680), (72, 285850290), (80, 257265261), (88, 233877510), (90, 228680232), (99, 207891120), (108, 190566860), (110, 187102008), (120, 171510174), (132, 155918340), (135, 152453488), (144, 142925145), (165, 124734672), (176, 116938755), (180, 114340116), (198, 103945560), (216, 95283430), (220, 93551004), (240, 85755087), (264, 77959170), (270, 76226744), (297, 69297040), (330, 62367336), (360, 57170058), (396, 51972780), (432, 47641715), (440, 46775502), (495, 41578224), (528, 38979585), (540, 38113372), (594, 34648520), (660, 31183668), (720, 28585029), (792, 25986390), (880, 23387751), (990, 20789112), (1080, 19056686), (1188, 17324260), (1320, 15591834), (1485, 13859408), (1584, 12993195), (1980, 10394556), (2160, 9528343), (2376, 8662130), (2640, 7795917), (2970, 6929704), (3960, 5197278), (4752, 4331065), (5940, 3464852), (7920, 2598639), (11880, 1732426), (23760, 866213)]