1999580160

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^2$

素因数の和:191

約数の個数: 264

約数和(自身を含む): 6716288880

約数和(自身を除く): 4716708720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 67, 80, 87, 96, 116, 120, 128, 134, 145, 160, 174, 192, 201, 232, 240, 256, 268, 290, 320, 335, 348, 384, 402, 435, 464, 480, 512, 536, 580, 640, 670, 696, 768, 804, 870, 928, 960, 1005, 1024, 1072, 1160, 1280, 1340, 1392, 1536, 1608, 1740, 1856, 1920, 1943, 2010, 2144, 2320, 2560, 2680, 2784, 3072, 3216, 3480, 3712, 3840, 3886, 4020, 4288, 4489, 4640, 5120, 5360, 5568, 5829, 6432, 6960, 7424, 7680, 7772, 8040, 8576, 8978, 9280, 9715, 10720, 11136, 11658, 12864, 13467, 13920, 14848, 15360, 15544, 16080, 17152, 17956, 18560, 19430, 21440, 22272, 22445, 23316, 25728, 26934, 27840, 29145, 29696, 31088, 32160, 34304, 35912, 37120, 38860, 42880, 44544, 44890, 46632, 51456, 53868, 55680, 58290, 62176, 64320, 67335, 68608, 71824, 74240, 77720, 85760, 89088, 89780, 93264, 102912, 107736, 111360, 116580, 124352, 128640, 130181, 134670, 143648, 148480, 155440, 171520, 179560, 186528, 205824, 215472, 222720, 233160, 248704, 257280, 260362, 269340, 287296, 310880, 343040, 359120, 373056, 390543, 430944, 445440, 466320, 497408, 514560, 520724, 538680, 574592, 621760, 650905, 718240, 746112, 781086, 861888, 932640, 994816, 1029120, 1041448, 1077360, 1149184, 1243520, 1301810, 1436480, 1492224, 1562172, 1723776, 1865280, 1952715, 1989632, 2082896, 2154720, 2298368, 2487040, 2603620, 2872960, 2984448, 3124344, 3447552, 3730560, 3905430, 4165792, 4309440, 4596736, 4974080, 5207240, 5745920, 5968896, 6248688, 6895104, 7461120, 7810860, 8331584, 8618880, 9948160, 10414480, 11491840, 12497376, 13790208, 14922240, 15621720, 16663168, 17237760, 20828960, 22983680, 24994752, 29844480, 31243440, 33326336, 34475520, 41657920, 49989504, 62486880, 66652672, 68951040, 83315840, 99979008, 124973760, 133305344, 166631680, 199958016, 249947520, 333263360, 399916032, 499895040, 666526720, 999790080, 1999580160]

約数ペア:

[(1, 1999580160), (2, 999790080), (3, 666526720), (4, 499895040), (5, 399916032), (6, 333263360), (8, 249947520), (10, 199958016), (12, 166631680), (15, 133305344), (16, 124973760), (20, 99979008), (24, 83315840), (29, 68951040), (30, 66652672), (32, 62486880), (40, 49989504), (48, 41657920), (58, 34475520), (60, 33326336), (64, 31243440), (67, 29844480), (80, 24994752), (87, 22983680), (96, 20828960), (116, 17237760), (120, 16663168), (128, 15621720), (134, 14922240), (145, 13790208), (160, 12497376), (174, 11491840), (192, 10414480), (201, 9948160), (232, 8618880), (240, 8331584), (256, 7810860), (268, 7461120), (290, 6895104), (320, 6248688), (335, 5968896), (348, 5745920), (384, 5207240), (402, 4974080), (435, 4596736), (464, 4309440), (480, 4165792), (512, 3905430), (536, 3730560), (580, 3447552), (640, 3124344), (670, 2984448), (696, 2872960), (768, 2603620), (804, 2487040), (870, 2298368), (928, 2154720), (960, 2082896), (1005, 1989632), (1024, 1952715), (1072, 1865280), (1160, 1723776), (1280, 1562172), (1340, 1492224), (1392, 1436480), (1536, 1301810), (1608, 1243520), (1740, 1149184), (1856, 1077360), (1920, 1041448), (1943, 1029120), (2010, 994816), (2144, 932640), (2320, 861888), (2560, 781086), (2680, 746112), (2784, 718240), (3072, 650905), (3216, 621760), (3480, 574592), (3712, 538680), (3840, 520724), (3886, 514560), (4020, 497408), (4288, 466320), (4489, 445440), (4640, 430944), (5120, 390543), (5360, 373056), (5568, 359120), (5829, 343040), (6432, 310880), (6960, 287296), (7424, 269340), (7680, 260362), (7772, 257280), (8040, 248704), (8576, 233160), (8978, 222720), (9280, 215472), (9715, 205824), (10720, 186528), (11136, 179560), (11658, 171520), (12864, 155440), (13467, 148480), (13920, 143648), (14848, 134670), (15360, 130181), (15544, 128640), (16080, 124352), (17152, 116580), (17956, 111360), (18560, 107736), (19430, 102912), (21440, 93264), (22272, 89780), (22445, 89088), (23316, 85760), (25728, 77720), (26934, 74240), (27840, 71824), (29145, 68608), (29696, 67335), (31088, 64320), (32160, 62176), (34304, 58290), (35912, 55680), (37120, 53868), (38860, 51456), (42880, 46632), (44544, 44890)]