81472000

素因数分解:

$2^9\times 5^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:119

約数の個数: 160

約数和(自身を含む): 217039680

約数和(自身を除く): 135567680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 67, 76, 80, 95, 100, 125, 128, 134, 152, 160, 190, 200, 250, 256, 268, 304, 320, 335, 380, 400, 475, 500, 512, 536, 608, 640, 670, 760, 800, 950, 1000, 1072, 1216, 1273, 1280, 1340, 1520, 1600, 1675, 1900, 2000, 2144, 2375, 2432, 2546, 2560, 2680, 3040, 3200, 3350, 3800, 4000, 4288, 4750, 4864, 5092, 5360, 6080, 6365, 6400, 6700, 7600, 8000, 8375, 8576, 9500, 9728, 10184, 10720, 12160, 12730, 12800, 13400, 15200, 16000, 16750, 17152, 19000, 20368, 21440, 24320, 25460, 26800, 30400, 31825, 32000, 33500, 34304, 38000, 40736, 42880, 48640, 50920, 53600, 60800, 63650, 64000, 67000, 76000, 81472, 85760, 101840, 107200, 121600, 127300, 134000, 152000, 159125, 162944, 171520, 203680, 214400, 243200, 254600, 268000, 304000, 318250, 325888, 407360, 428800, 509200, 536000, 608000, 636500, 651776, 814720, 857600, 1018400, 1072000, 1216000, 1273000, 1629440, 2036800, 2144000, 2546000, 3258880, 4073600, 4288000, 5092000, 8147200, 10184000, 16294400, 20368000, 40736000, 81472000]

約数ペア:

[(1, 81472000), (2, 40736000), (4, 20368000), (5, 16294400), (8, 10184000), (10, 8147200), (16, 5092000), (19, 4288000), (20, 4073600), (25, 3258880), (32, 2546000), (38, 2144000), (40, 2036800), (50, 1629440), (64, 1273000), (67, 1216000), (76, 1072000), (80, 1018400), (95, 857600), (100, 814720), (125, 651776), (128, 636500), (134, 608000), (152, 536000), (160, 509200), (190, 428800), (200, 407360), (250, 325888), (256, 318250), (268, 304000), (304, 268000), (320, 254600), (335, 243200), (380, 214400), (400, 203680), (475, 171520), (500, 162944), (512, 159125), (536, 152000), (608, 134000), (640, 127300), (670, 121600), (760, 107200), (800, 101840), (950, 85760), (1000, 81472), (1072, 76000), (1216, 67000), (1273, 64000), (1280, 63650), (1340, 60800), (1520, 53600), (1600, 50920), (1675, 48640), (1900, 42880), (2000, 40736), (2144, 38000), (2375, 34304), (2432, 33500), (2546, 32000), (2560, 31825), (2680, 30400), (3040, 26800), (3200, 25460), (3350, 24320), (3800, 21440), (4000, 20368), (4288, 19000), (4750, 17152), (4864, 16750), (5092, 16000), (5360, 15200), (6080, 13400), (6365, 12800), (6400, 12730), (6700, 12160), (7600, 10720), (8000, 10184), (8375, 9728), (8576, 9500)]