1780891840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2719

約数の個数: 224

約数和(自身を含む): 5448360960

約数和(自身を除く): 3667469120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 160, 161, 182, 184, 208, 224, 230, 260, 280, 299, 320, 322, 364, 368, 416, 448, 455, 460, 520, 560, 598, 644, 728, 736, 805, 832, 910, 920, 1040, 1120, 1196, 1288, 1456, 1472, 1495, 1610, 1820, 1840, 2080, 2093, 2240, 2392, 2576, 2659, 2912, 2990, 3220, 3640, 3680, 4160, 4186, 4784, 5152, 5318, 5824, 5980, 6440, 7280, 7360, 8372, 9568, 10304, 10465, 10636, 11960, 12880, 13295, 14560, 16744, 18613, 19136, 20930, 21272, 23920, 25760, 26590, 29120, 33488, 34567, 37226, 41860, 42544, 47840, 51520, 53180, 61157, 66976, 69134, 74452, 83720, 85088, 93065, 95680, 106360, 122314, 133952, 138268, 148904, 167440, 170176, 172835, 186130, 212720, 241969, 244628, 276536, 297808, 305785, 334880, 345670, 372260, 425440, 428099, 483938, 489256, 553072, 595616, 611570, 669760, 691340, 744520, 795041, 850880, 856198, 967876, 978512, 1106144, 1191232, 1209845, 1223140, 1382680, 1489040, 1590082, 1712396, 1935752, 1957024, 2140495, 2212288, 2419690, 2446280, 2765360, 2978080, 3180164, 3424792, 3871504, 3914048, 3975205, 4280990, 4839380, 4892560, 5530720, 5565287, 5956160, 6360328, 6849584, 7743008, 7950410, 8561980, 9678760, 9785120, 11061440, 11130574, 12720656, 13699168, 15486016, 15900820, 17123960, 19357520, 19570240, 22261148, 25441312, 27398336, 27826435, 31801640, 34247920, 38715040, 44522296, 50882624, 55652870, 63603280, 68495840, 77430080, 89044592, 111305740, 127206560, 136991680, 178089184, 222611480, 254413120, 356178368, 445222960, 890445920, 1780891840]

約数ペア:

[(1, 1780891840), (2, 890445920), (4, 445222960), (5, 356178368), (7, 254413120), (8, 222611480), (10, 178089184), (13, 136991680), (14, 127206560), (16, 111305740), (20, 89044592), (23, 77430080), (26, 68495840), (28, 63603280), (32, 55652870), (35, 50882624), (40, 44522296), (46, 38715040), (52, 34247920), (56, 31801640), (64, 27826435), (65, 27398336), (70, 25441312), (80, 22261148), (91, 19570240), (92, 19357520), (104, 17123960), (112, 15900820), (115, 15486016), (130, 13699168), (140, 12720656), (160, 11130574), (161, 11061440), (182, 9785120), (184, 9678760), (208, 8561980), (224, 7950410), (230, 7743008), (260, 6849584), (280, 6360328), (299, 5956160), (320, 5565287), (322, 5530720), (364, 4892560), (368, 4839380), (416, 4280990), (448, 3975205), (455, 3914048), (460, 3871504), (520, 3424792), (560, 3180164), (598, 2978080), (644, 2765360), (728, 2446280), (736, 2419690), (805, 2212288), (832, 2140495), (910, 1957024), (920, 1935752), (1040, 1712396), (1120, 1590082), (1196, 1489040), (1288, 1382680), (1456, 1223140), (1472, 1209845), (1495, 1191232), (1610, 1106144), (1820, 978512), (1840, 967876), (2080, 856198), (2093, 850880), (2240, 795041), (2392, 744520), (2576, 691340), (2659, 669760), (2912, 611570), (2990, 595616), (3220, 553072), (3640, 489256), (3680, 483938), (4160, 428099), (4186, 425440), (4784, 372260), (5152, 345670), (5318, 334880), (5824, 305785), (5980, 297808), (6440, 276536), (7280, 244628), (7360, 241969), (8372, 212720), (9568, 186130), (10304, 172835), (10465, 170176), (10636, 167440), (11960, 148904), (12880, 138268), (13295, 133952), (14560, 122314), (16744, 106360), (18613, 95680), (19136, 93065), (20930, 85088), (21272, 83720), (23920, 74452), (25760, 69134), (26590, 66976), (29120, 61157), (33488, 53180), (34567, 51520), (37226, 47840), (41860, 42544)]