217597440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1032

約数の個数: 160

約数和(自身を含む): 720355680

約数和(自身を除く): 502758240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 384, 435, 464, 480, 512, 580, 640, 696, 768, 870, 928, 960, 977, 1160, 1280, 1392, 1536, 1740, 1856, 1920, 1954, 2320, 2560, 2784, 2931, 3480, 3712, 3840, 3908, 4640, 4885, 5568, 5862, 6960, 7424, 7680, 7816, 9280, 9770, 11136, 11724, 13920, 14655, 14848, 15632, 18560, 19540, 22272, 23448, 27840, 28333, 29310, 31264, 37120, 39080, 44544, 46896, 55680, 56666, 58620, 62528, 74240, 78160, 84999, 93792, 111360, 113332, 117240, 125056, 141665, 156320, 169998, 187584, 222720, 226664, 234480, 250112, 283330, 312640, 339996, 375168, 424995, 453328, 468960, 500224, 566660, 625280, 679992, 750336, 849990, 906656, 937920, 1133320, 1250560, 1359984, 1500672, 1699980, 1813312, 1875840, 2266640, 2501120, 2719968, 3399960, 3626624, 3751680, 4533280, 5439936, 6799920, 7253248, 7503360, 9066560, 10879872, 13599840, 14506496, 18133120, 21759744, 27199680, 36266240, 43519488, 54399360, 72532480, 108798720, 217597440]

約数ペア:

[(1, 217597440), (2, 108798720), (3, 72532480), (4, 54399360), (5, 43519488), (6, 36266240), (8, 27199680), (10, 21759744), (12, 18133120), (15, 14506496), (16, 13599840), (20, 10879872), (24, 9066560), (29, 7503360), (30, 7253248), (32, 6799920), (40, 5439936), (48, 4533280), (58, 3751680), (60, 3626624), (64, 3399960), (80, 2719968), (87, 2501120), (96, 2266640), (116, 1875840), (120, 1813312), (128, 1699980), (145, 1500672), (160, 1359984), (174, 1250560), (192, 1133320), (232, 937920), (240, 906656), (256, 849990), (290, 750336), (320, 679992), (348, 625280), (384, 566660), (435, 500224), (464, 468960), (480, 453328), (512, 424995), (580, 375168), (640, 339996), (696, 312640), (768, 283330), (870, 250112), (928, 234480), (960, 226664), (977, 222720), (1160, 187584), (1280, 169998), (1392, 156320), (1536, 141665), (1740, 125056), (1856, 117240), (1920, 113332), (1954, 111360), (2320, 93792), (2560, 84999), (2784, 78160), (2931, 74240), (3480, 62528), (3712, 58620), (3840, 56666), (3908, 55680), (4640, 46896), (4885, 44544), (5568, 39080), (5862, 37120), (6960, 31264), (7424, 29310), (7680, 28333), (7816, 27840), (9280, 23448), (9770, 22272), (11136, 19540), (11724, 18560), (13920, 15632), (14655, 14848)]