128680860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 288

約数和(自身を含む): 479872512

約数和(自身を除く): 351191652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 23, 28, 30, 33, 35, 42, 44, 46, 49, 55, 60, 66, 69, 70, 77, 84, 92, 98, 105, 110, 115, 132, 138, 140, 147, 154, 161, 165, 173, 196, 210, 220, 230, 231, 245, 253, 276, 294, 308, 322, 330, 345, 346, 385, 420, 460, 462, 483, 490, 506, 519, 539, 588, 644, 660, 690, 692, 735, 759, 770, 805, 865, 924, 966, 980, 1012, 1038, 1078, 1127, 1155, 1211, 1265, 1380, 1470, 1518, 1540, 1610, 1617, 1730, 1771, 1903, 1932, 2076, 2156, 2254, 2310, 2415, 2422, 2530, 2595, 2695, 2940, 3036, 3220, 3234, 3381, 3460, 3542, 3633, 3795, 3806, 3979, 4508, 4620, 4830, 4844, 5060, 5190, 5313, 5390, 5635, 5709, 6055, 6468, 6762, 7084, 7266, 7590, 7612, 7958, 8085, 8477, 8855, 9515, 9660, 10380, 10626, 10780, 11270, 11418, 11937, 12110, 12397, 13321, 13524, 14532, 15180, 15916, 16170, 16905, 16954, 17710, 18165, 19030, 19895, 21252, 22540, 22836, 23874, 24220, 24794, 25431, 26565, 26642, 27853, 28545, 32340, 33810, 33908, 35420, 36330, 37191, 38060, 39790, 39963, 42385, 43769, 47748, 49588, 50862, 53130, 53284, 55706, 57090, 59685, 61985, 66605, 67620, 72660, 74382, 79580, 79926, 83559, 84770, 87538, 93247, 101724, 106260, 111412, 114180, 119370, 123970, 127155, 131307, 133210, 139265, 148764, 159852, 167118, 169540, 175076, 185955, 186494, 194971, 199815, 218845, 238740, 247940, 254310, 262614, 266420, 278530, 279741, 306383, 334236, 371910, 372988, 389942, 399630, 417795, 437690, 466235, 508620, 525228, 557060, 559482, 584913, 612766, 656535, 743820, 779884, 799260, 835590, 875380, 919149, 932470, 974855, 1118964, 1169826, 1225532, 1313070, 1398705, 1531915, 1671180, 1838298, 1864940, 1949710, 2144681, 2339652, 2626140, 2797410, 2924565, 3063830, 3676596, 3899420, 4289362, 4595745, 5594820, 5849130, 6127660, 6434043, 8578724, 9191490, 10723405, 11698260, 12868086, 18382980, 21446810, 25736172, 32170215, 42893620, 64340430, 128680860]

約数ペア:

[(1, 128680860), (2, 64340430), (3, 42893620), (4, 32170215), (5, 25736172), (6, 21446810), (7, 18382980), (10, 12868086), (11, 11698260), (12, 10723405), (14, 9191490), (15, 8578724), (20, 6434043), (21, 6127660), (22, 5849130), (23, 5594820), (28, 4595745), (30, 4289362), (33, 3899420), (35, 3676596), (42, 3063830), (44, 2924565), (46, 2797410), (49, 2626140), (55, 2339652), (60, 2144681), (66, 1949710), (69, 1864940), (70, 1838298), (77, 1671180), (84, 1531915), (92, 1398705), (98, 1313070), (105, 1225532), (110, 1169826), (115, 1118964), (132, 974855), (138, 932470), (140, 919149), (147, 875380), (154, 835590), (161, 799260), (165, 779884), (173, 743820), (196, 656535), (210, 612766), (220, 584913), (230, 559482), (231, 557060), (245, 525228), (253, 508620), (276, 466235), (294, 437690), (308, 417795), (322, 399630), (330, 389942), (345, 372988), (346, 371910), (385, 334236), (420, 306383), (460, 279741), (462, 278530), (483, 266420), (490, 262614), (506, 254310), (519, 247940), (539, 238740), (588, 218845), (644, 199815), (660, 194971), (690, 186494), (692, 185955), (735, 175076), (759, 169540), (770, 167118), (805, 159852), (865, 148764), (924, 139265), (966, 133210), (980, 131307), (1012, 127155), (1038, 123970), (1078, 119370), (1127, 114180), (1155, 111412), (1211, 106260), (1265, 101724), (1380, 93247), (1470, 87538), (1518, 84770), (1540, 83559), (1610, 79926), (1617, 79580), (1730, 74382), (1771, 72660), (1903, 67620), (1932, 66605), (2076, 61985), (2156, 59685), (2254, 57090), (2310, 55706), (2415, 53284), (2422, 53130), (2530, 50862), (2595, 49588), (2695, 47748), (2940, 43769), (3036, 42385), (3220, 39963), (3234, 39790), (3381, 38060), (3460, 37191), (3542, 36330), (3633, 35420), (3795, 33908), (3806, 33810), (3979, 32340), (4508, 28545), (4620, 27853), (4830, 26642), (4844, 26565), (5060, 25431), (5190, 24794), (5313, 24220), (5390, 23874), (5635, 22836), (5709, 22540), (6055, 21252), (6468, 19895), (6762, 19030), (7084, 18165), (7266, 17710), (7590, 16954), (7612, 16905), (7958, 16170), (8085, 15916), (8477, 15180), (8855, 14532), (9515, 13524), (9660, 13321), (10380, 12397), (10626, 12110), (10780, 11937), (11270, 11418)]