997555680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:990

約数の個数: 288

約数和(自身を含む): 3770178048

約数和(自身を除く): 2772622368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 96, 99, 110, 120, 132, 142, 144, 160, 165, 176, 180, 198, 213, 220, 240, 264, 284, 288, 330, 352, 355, 360, 396, 426, 440, 480, 495, 528, 568, 639, 660, 710, 720, 781, 792, 852, 880, 887, 990, 1056, 1065, 1136, 1278, 1320, 1420, 1440, 1562, 1584, 1704, 1760, 1774, 1980, 2130, 2272, 2343, 2556, 2640, 2661, 2840, 3124, 3168, 3195, 3408, 3548, 3905, 3960, 4260, 4435, 4686, 5112, 5280, 5322, 5680, 6248, 6390, 6816, 7029, 7096, 7810, 7920, 7983, 8520, 8870, 9372, 9757, 10224, 10644, 11360, 11715, 12496, 12780, 13305, 14058, 14192, 15620, 15840, 15966, 17040, 17740, 18744, 19514, 20448, 21288, 23430, 24992, 25560, 26610, 28116, 28384, 29271, 31240, 31932, 34080, 35145, 35480, 37488, 39028, 39915, 42576, 46860, 48785, 51120, 53220, 56232, 58542, 62480, 62977, 63864, 70290, 70960, 74976, 78056, 79830, 85152, 87813, 93720, 97570, 102240, 106440, 112464, 117084, 124960, 125954, 127728, 140580, 141920, 146355, 156112, 159660, 175626, 187440, 188931, 195140, 212880, 224928, 234168, 251908, 255456, 281160, 292710, 312224, 314885, 319320, 351252, 374880, 377862, 390280, 425760, 439065, 468336, 503816, 562320, 566793, 585420, 629770, 638640, 692747, 702504, 755724, 780560, 878130, 936672, 944655, 1007632, 1124640, 1133586, 1170840, 1259540, 1277280, 1385494, 1405008, 1511448, 1561120, 1756260, 1889310, 2015264, 2078241, 2267172, 2341680, 2519080, 2770988, 2810016, 2833965, 3022896, 3463735, 3512520, 3778620, 4156482, 4534344, 4683360, 5038160, 5541976, 5667930, 6045792, 6234723, 6927470, 7025040, 7557240, 8312964, 9068688, 10076320, 10391205, 11083952, 11335860, 12469446, 13854940, 14050080, 15114480, 16625928, 18137376, 20782410, 22167904, 22671720, 24938892, 27709880, 30228960, 31173615, 33251856, 41564820, 45343440, 49877784, 55419760, 62347230, 66503712, 83129640, 90686880, 99755568, 110839520, 124694460, 166259280, 199511136, 249388920, 332518560, 498777840, 997555680]

約数ペア:

[(1, 997555680), (2, 498777840), (3, 332518560), (4, 249388920), (5, 199511136), (6, 166259280), (8, 124694460), (9, 110839520), (10, 99755568), (11, 90686880), (12, 83129640), (15, 66503712), (16, 62347230), (18, 55419760), (20, 49877784), (22, 45343440), (24, 41564820), (30, 33251856), (32, 31173615), (33, 30228960), (36, 27709880), (40, 24938892), (44, 22671720), (45, 22167904), (48, 20782410), (55, 18137376), (60, 16625928), (66, 15114480), (71, 14050080), (72, 13854940), (80, 12469446), (88, 11335860), (90, 11083952), (96, 10391205), (99, 10076320), (110, 9068688), (120, 8312964), (132, 7557240), (142, 7025040), (144, 6927470), (160, 6234723), (165, 6045792), (176, 5667930), (180, 5541976), (198, 5038160), (213, 4683360), (220, 4534344), (240, 4156482), (264, 3778620), (284, 3512520), (288, 3463735), (330, 3022896), (352, 2833965), (355, 2810016), (360, 2770988), (396, 2519080), (426, 2341680), (440, 2267172), (480, 2078241), (495, 2015264), (528, 1889310), (568, 1756260), (639, 1561120), (660, 1511448), (710, 1405008), (720, 1385494), (781, 1277280), (792, 1259540), (852, 1170840), (880, 1133586), (887, 1124640), (990, 1007632), (1056, 944655), (1065, 936672), (1136, 878130), (1278, 780560), (1320, 755724), (1420, 702504), (1440, 692747), (1562, 638640), (1584, 629770), (1704, 585420), (1760, 566793), (1774, 562320), (1980, 503816), (2130, 468336), (2272, 439065), (2343, 425760), (2556, 390280), (2640, 377862), (2661, 374880), (2840, 351252), (3124, 319320), (3168, 314885), (3195, 312224), (3408, 292710), (3548, 281160), (3905, 255456), (3960, 251908), (4260, 234168), (4435, 224928), (4686, 212880), (5112, 195140), (5280, 188931), (5322, 187440), (5680, 175626), (6248, 159660), (6390, 156112), (6816, 146355), (7029, 141920), (7096, 140580), (7810, 127728), (7920, 125954), (7983, 124960), (8520, 117084), (8870, 112464), (9372, 106440), (9757, 102240), (10224, 97570), (10644, 93720), (11360, 87813), (11715, 85152), (12496, 79830), (12780, 78056), (13305, 74976), (14058, 70960), (14192, 70290), (15620, 63864), (15840, 62977), (15966, 62480), (17040, 58542), (17740, 56232), (18744, 53220), (19514, 51120), (20448, 48785), (21288, 46860), (23430, 42576), (24992, 39915), (25560, 39028), (26610, 37488), (28116, 35480), (28384, 35145), (29271, 34080), (31240, 31932)]