1999182080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 5827852800

約数和(自身を除く): 3828670720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 89, 92, 109, 112, 115, 128, 140, 160, 161, 178, 184, 218, 224, 230, 256, 280, 320, 322, 356, 368, 436, 445, 448, 460, 545, 560, 623, 640, 644, 712, 736, 763, 805, 872, 890, 896, 920, 1090, 1120, 1246, 1280, 1288, 1424, 1472, 1526, 1610, 1744, 1780, 1792, 1840, 2047, 2180, 2240, 2492, 2507, 2576, 2848, 2944, 3052, 3115, 3220, 3488, 3560, 3680, 3815, 4094, 4360, 4480, 4984, 5014, 5152, 5696, 5888, 6104, 6230, 6440, 6976, 7120, 7360, 7630, 8188, 8720, 8960, 9701, 9968, 10028, 10235, 10304, 11392, 12208, 12460, 12535, 12880, 13952, 14240, 14329, 14720, 15260, 16376, 17440, 17549, 19402, 19936, 20056, 20470, 20608, 22784, 24416, 24920, 25070, 25760, 27904, 28480, 28658, 29440, 30520, 32752, 34880, 35098, 38804, 39872, 40112, 40940, 41216, 48505, 48832, 49840, 50140, 51520, 56960, 57316, 61040, 65504, 67907, 69760, 70196, 71645, 77608, 79744, 80224, 81880, 87745, 97010, 97664, 99680, 100280, 103040, 113920, 114632, 122080, 131008, 135814, 139520, 140392, 143290, 155216, 159488, 160448, 163760, 175490, 194020, 195328, 199360, 200560, 206080, 223123, 229264, 244160, 262016, 271628, 280784, 286580, 310432, 320896, 327520, 339535, 350980, 388040, 398720, 401120, 446246, 458528, 488320, 524032, 543256, 561568, 573160, 620864, 641792, 655040, 679070, 701960, 776080, 797440, 802240, 892492, 917056, 976640, 1086512, 1115615, 1123136, 1146320, 1241728, 1310080, 1358140, 1403920, 1552160, 1561861, 1604480, 1784984, 1834112, 2173024, 2231230, 2246272, 2292640, 2483456, 2620160, 2716280, 2807840, 3104320, 3123722, 3208960, 3569968, 3668224, 4346048, 4462460, 4492544, 4585280, 5432560, 5615680, 6208640, 6247444, 7139936, 7809305, 8692096, 8924920, 9170560, 10865120, 11231360, 12417280, 12494888, 14279872, 15618610, 17384192, 17849840, 18341120, 21730240, 22462720, 24989776, 28559744, 31237220, 35699680, 43460480, 49979552, 57119488, 62474440, 71399360, 86920960, 99959104, 124948880, 142798720, 199918208, 249897760, 285597440, 399836416, 499795520, 999591040, 1999182080]

約数ペア:

[(1, 1999182080), (2, 999591040), (4, 499795520), (5, 399836416), (7, 285597440), (8, 249897760), (10, 199918208), (14, 142798720), (16, 124948880), (20, 99959104), (23, 86920960), (28, 71399360), (32, 62474440), (35, 57119488), (40, 49979552), (46, 43460480), (56, 35699680), (64, 31237220), (70, 28559744), (80, 24989776), (89, 22462720), (92, 21730240), (109, 18341120), (112, 17849840), (115, 17384192), (128, 15618610), (140, 14279872), (160, 12494888), (161, 12417280), (178, 11231360), (184, 10865120), (218, 9170560), (224, 8924920), (230, 8692096), (256, 7809305), (280, 7139936), (320, 6247444), (322, 6208640), (356, 5615680), (368, 5432560), (436, 4585280), (445, 4492544), (448, 4462460), (460, 4346048), (545, 3668224), (560, 3569968), (623, 3208960), (640, 3123722), (644, 3104320), (712, 2807840), (736, 2716280), (763, 2620160), (805, 2483456), (872, 2292640), (890, 2246272), (896, 2231230), (920, 2173024), (1090, 1834112), (1120, 1784984), (1246, 1604480), (1280, 1561861), (1288, 1552160), (1424, 1403920), (1472, 1358140), (1526, 1310080), (1610, 1241728), (1744, 1146320), (1780, 1123136), (1792, 1115615), (1840, 1086512), (2047, 976640), (2180, 917056), (2240, 892492), (2492, 802240), (2507, 797440), (2576, 776080), (2848, 701960), (2944, 679070), (3052, 655040), (3115, 641792), (3220, 620864), (3488, 573160), (3560, 561568), (3680, 543256), (3815, 524032), (4094, 488320), (4360, 458528), (4480, 446246), (4984, 401120), (5014, 398720), (5152, 388040), (5696, 350980), (5888, 339535), (6104, 327520), (6230, 320896), (6440, 310432), (6976, 286580), (7120, 280784), (7360, 271628), (7630, 262016), (8188, 244160), (8720, 229264), (8960, 223123), (9701, 206080), (9968, 200560), (10028, 199360), (10235, 195328), (10304, 194020), (11392, 175490), (12208, 163760), (12460, 160448), (12535, 159488), (12880, 155216), (13952, 143290), (14240, 140392), (14329, 139520), (14720, 135814), (15260, 131008), (16376, 122080), (17440, 114632), (17549, 113920), (19402, 103040), (19936, 100280), (20056, 99680), (20470, 97664), (20608, 97010), (22784, 87745), (24416, 81880), (24920, 80224), (25070, 79744), (25760, 77608), (27904, 71645), (28480, 70196), (28658, 69760), (29440, 67907), (30520, 65504), (32752, 61040), (34880, 57316), (35098, 56960), (38804, 51520), (39872, 50140), (40112, 49840), (40940, 48832), (41216, 48505)]